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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 16:39:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-15 16:39:15 -0700
commiteea3a00264cf243a28e4331566ce67b86059339d (patch)
tree487f16389e0dfa32e9caa7604d1274a7dcda8f04 /drivers
parente7c82412433a8039616c7314533a0a1c025d99bf (diff)
parente693d73c20ffdb06840c9378f367bad849ac0d5d (diff)
downloadlinux-eea3a00264cf243a28e4331566ce67b86059339d.tar.bz2
Merge branch 'akpm' (patches from Andrew)
Merge second patchbomb from Andrew Morton: - the rest of MM - various misc bits - add ability to run /sbin/reboot at reboot time - printk/vsprintf changes - fiddle with seq_printf() return value * akpm: (114 commits) parisc: remove use of seq_printf return value lru_cache: remove use of seq_printf return value tracing: remove use of seq_printf return value cgroup: remove use of seq_printf return value proc: remove use of seq_printf return value s390: remove use of seq_printf return value cris fasttimer: remove use of seq_printf return value cris: remove use of seq_printf return value openrisc: remove use of seq_printf return value ARM: plat-pxa: remove use of seq_printf return value nios2: cpuinfo: remove use of seq_printf return value microblaze: mb: remove use of seq_printf return value ipc: remove use of seq_printf return value rtc: remove use of seq_printf return value power: wakeup: remove use of seq_printf return value x86: mtrr: if: remove use of seq_printf return value linux/bitmap.h: improve BITMAP_{LAST,FIRST}_WORD_MASK MAINTAINERS: CREDITS: remove Stefano Brivio from B43 .mailmap: add Ricardo Ribalda CREDITS: add Ricardo Ribalda Delgado ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/power/wakeup.c16
-rw-r--r--drivers/block/paride/pg.c4
-rw-r--r--drivers/block/zram/zram_drv.c73
-rw-r--r--drivers/block/zram/zram_drv.h1
-rw-r--r--drivers/parisc/ccio-dma.c54
-rw-r--r--drivers/parisc/sba_iommu.c86
-rw-r--r--drivers/rtc/rtc-cmos.c36
-rw-r--r--drivers/rtc/rtc-ds1305.c6
-rw-r--r--drivers/rtc/rtc-mrst.c16
-rw-r--r--drivers/rtc/rtc-tegra.c4
-rw-r--r--drivers/s390/cio/blacklist.c12
-rw-r--r--drivers/sbus/char/bbc_envctrl.c3
-rw-r--r--drivers/sbus/char/envctrl.c7
-rw-r--r--drivers/staging/lustre/lustre/Kconfig1
14 files changed, 195 insertions, 124 deletions
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index aab7158d2afe..77262009f89d 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -843,7 +843,6 @@ static int print_wakeup_source_stats(struct seq_file *m,
unsigned long active_count;
ktime_t active_time;
ktime_t prevent_sleep_time;
- int ret;
spin_lock_irqsave(&ws->lock, flags);
@@ -866,17 +865,16 @@ static int print_wakeup_source_stats(struct seq_file *m,
active_time = ktime_set(0, 0);
}
- ret = seq_printf(m, "%-12s\t%lu\t\t%lu\t\t%lu\t\t%lu\t\t"
- "%lld\t\t%lld\t\t%lld\t\t%lld\t\t%lld\n",
- ws->name, active_count, ws->event_count,
- ws->wakeup_count, ws->expire_count,
- ktime_to_ms(active_time), ktime_to_ms(total_time),
- ktime_to_ms(max_time), ktime_to_ms(ws->last_time),
- ktime_to_ms(prevent_sleep_time));
+ seq_printf(m, "%-12s\t%lu\t\t%lu\t\t%lu\t\t%lu\t\t%lld\t\t%lld\t\t%lld\t\t%lld\t\t%lld\n",
+ ws->name, active_count, ws->event_count,
+ ws->wakeup_count, ws->expire_count,
+ ktime_to_ms(active_time), ktime_to_ms(total_time),
+ ktime_to_ms(max_time), ktime_to_ms(ws->last_time),
+ ktime_to_ms(prevent_sleep_time));
spin_unlock_irqrestore(&ws->lock, flags);
- return ret;
+ return 0;
}
/**
diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 2ce3dfd7e6b9..876d0c3eaf58 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -137,7 +137,7 @@
*/
-static bool verbose = 0;
+static int verbose;
static int major = PG_MAJOR;
static char *name = PG_NAME;
static int disable = 0;
@@ -168,7 +168,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_DLY};
#include <asm/uaccess.h>
-module_param(verbose, bool, 0644);
+module_param(verbose, int, 0644);
module_param(major, int, 0);
module_param(name, charp, 0);
module_param_array(drive0, int, NULL, 0);
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 871bd3550cb0..c94386aa563d 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -43,11 +43,22 @@ static const char *default_compressor = "lzo";
/* Module params (documentation at end) */
static unsigned int num_devices = 1;
+static inline void deprecated_attr_warn(const char *name)
+{
+ pr_warn_once("%d (%s) Attribute %s (and others) will be removed. %s\n",
+ task_pid_nr(current),
+ current->comm,
+ name,
+ "See zram documentation.");
+}
+
#define ZRAM_ATTR_RO(name) \
static ssize_t name##_show(struct device *d, \
struct device_attribute *attr, char *b) \
{ \
struct zram *zram = dev_to_zram(d); \
+ \
+ deprecated_attr_warn(__stringify(name)); \
return scnprintf(b, PAGE_SIZE, "%llu\n", \
(u64)atomic64_read(&zram->stats.name)); \
} \
@@ -89,6 +100,7 @@ static ssize_t orig_data_size_show(struct device *dev,
{
struct zram *zram = dev_to_zram(dev);
+ deprecated_attr_warn("orig_data_size");
return scnprintf(buf, PAGE_SIZE, "%llu\n",
(u64)(atomic64_read(&zram->stats.pages_stored)) << PAGE_SHIFT);
}
@@ -99,6 +111,7 @@ static ssize_t mem_used_total_show(struct device *dev,
u64 val = 0;
struct zram *zram = dev_to_zram(dev);
+ deprecated_attr_warn("mem_used_total");
down_read(&zram->init_lock);
if (init_done(zram)) {
struct zram_meta *meta = zram->meta;
@@ -128,6 +141,7 @@ static ssize_t mem_limit_show(struct device *dev,
u64 val;
struct zram *zram = dev_to_zram(dev);
+ deprecated_attr_warn("mem_limit");
down_read(&zram->init_lock);
val = zram->limit_pages;
up_read(&zram->init_lock);
@@ -159,6 +173,7 @@ static ssize_t mem_used_max_show(struct device *dev,
u64 val = 0;
struct zram *zram = dev_to_zram(dev);
+ deprecated_attr_warn("mem_used_max");
down_read(&zram->init_lock);
if (init_done(zram))
val = atomic_long_read(&zram->stats.max_used_pages);
@@ -670,8 +685,12 @@ out:
static int zram_bvec_rw(struct zram *zram, struct bio_vec *bvec, u32 index,
int offset, int rw)
{
+ unsigned long start_time = jiffies;
int ret;
+ generic_start_io_acct(rw, bvec->bv_len >> SECTOR_SHIFT,
+ &zram->disk->part0);
+
if (rw == READ) {
atomic64_inc(&zram->stats.num_reads);
ret = zram_bvec_read(zram, bvec, index, offset);
@@ -680,6 +699,8 @@ static int zram_bvec_rw(struct zram *zram, struct bio_vec *bvec, u32 index,
ret = zram_bvec_write(zram, bvec, index, offset);
}
+ generic_end_io_acct(rw, &zram->disk->part0, start_time);
+
if (unlikely(ret)) {
if (rw == READ)
atomic64_inc(&zram->stats.failed_reads);
@@ -1027,6 +1048,55 @@ static DEVICE_ATTR_RW(mem_used_max);
static DEVICE_ATTR_RW(max_comp_streams);
static DEVICE_ATTR_RW(comp_algorithm);
+static ssize_t io_stat_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct zram *zram = dev_to_zram(dev);
+ ssize_t ret;
+
+ down_read(&zram->init_lock);
+ ret = scnprintf(buf, PAGE_SIZE,
+ "%8llu %8llu %8llu %8llu\n",
+ (u64)atomic64_read(&zram->stats.failed_reads),
+ (u64)atomic64_read(&zram->stats.failed_writes),
+ (u64)atomic64_read(&zram->stats.invalid_io),
+ (u64)atomic64_read(&zram->stats.notify_free));
+ up_read(&zram->init_lock);
+
+ return ret;
+}
+
+static ssize_t mm_stat_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct zram *zram = dev_to_zram(dev);
+ u64 orig_size, mem_used = 0;
+ long max_used;
+ ssize_t ret;
+
+ down_read(&zram->init_lock);
+ if (init_done(zram))
+ mem_used = zs_get_total_pages(zram->meta->mem_pool);
+
+ orig_size = atomic64_read(&zram->stats.pages_stored);
+ max_used = atomic_long_read(&zram->stats.max_used_pages);
+
+ ret = scnprintf(buf, PAGE_SIZE,
+ "%8llu %8llu %8llu %8lu %8ld %8llu %8llu\n",
+ orig_size << PAGE_SHIFT,
+ (u64)atomic64_read(&zram->stats.compr_data_size),
+ mem_used << PAGE_SHIFT,
+ zram->limit_pages << PAGE_SHIFT,
+ max_used << PAGE_SHIFT,
+ (u64)atomic64_read(&zram->stats.zero_pages),
+ (u64)atomic64_read(&zram->stats.num_migrated));
+ up_read(&zram->init_lock);
+
+ return ret;
+}
+
+static DEVICE_ATTR_RO(io_stat);
+static DEVICE_ATTR_RO(mm_stat);
ZRAM_ATTR_RO(num_reads);
ZRAM_ATTR_RO(num_writes);
ZRAM_ATTR_RO(failed_reads);
@@ -1054,6 +1124,8 @@ static struct attribute *zram_disk_attrs[] = {
&dev_attr_mem_used_max.attr,
&dev_attr_max_comp_streams.attr,
&dev_attr_comp_algorithm.attr,
+ &dev_attr_io_stat.attr,
+ &dev_attr_mm_stat.attr,
NULL,
};
@@ -1082,6 +1154,7 @@ static int create_device(struct zram *zram, int device_id)
if (!zram->disk) {
pr_warn("Error allocating disk structure for device %d\n",
device_id);
+ ret = -ENOMEM;
goto out_free_queue;
}
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h
index 17056e589146..570c598f4ce9 100644
--- a/drivers/block/zram/zram_drv.h
+++ b/drivers/block/zram/zram_drv.h
@@ -84,6 +84,7 @@ struct zram_stats {
atomic64_t compr_data_size; /* compressed size of pages stored */
atomic64_t num_reads; /* failed + successful */
atomic64_t num_writes; /* --do-- */
+ atomic64_t num_migrated; /* no. of migrated object */
atomic64_t failed_reads; /* can happen when memory is too low */
atomic64_t failed_writes; /* can happen when memory is too low */
atomic64_t invalid_io; /* non-page-aligned I/O requests */
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 8b490d77054f..6bc16809c504 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -1021,7 +1021,6 @@ static struct hppa_dma_ops ccio_ops = {
#ifdef CONFIG_PROC_FS
static int ccio_proc_info(struct seq_file *m, void *p)
{
- int len = 0;
struct ioc *ioc = ioc_list;
while (ioc != NULL) {
@@ -1031,22 +1030,22 @@ static int ccio_proc_info(struct seq_file *m, void *p)
int j;
#endif
- len += seq_printf(m, "%s\n", ioc->name);
+ seq_printf(m, "%s\n", ioc->name);
- len += seq_printf(m, "Cujo 2.0 bug : %s\n",
- (ioc->cujo20_bug ? "yes" : "no"));
+ seq_printf(m, "Cujo 2.0 bug : %s\n",
+ (ioc->cujo20_bug ? "yes" : "no"));
- len += seq_printf(m, "IO PDIR size : %d bytes (%d entries)\n",
- total_pages * 8, total_pages);
+ seq_printf(m, "IO PDIR size : %d bytes (%d entries)\n",
+ total_pages * 8, total_pages);
#ifdef CCIO_COLLECT_STATS
- len += seq_printf(m, "IO PDIR entries : %ld free %ld used (%d%%)\n",
- total_pages - ioc->used_pages, ioc->used_pages,
- (int)(ioc->used_pages * 100 / total_pages));
+ seq_printf(m, "IO PDIR entries : %ld free %ld used (%d%%)\n",
+ total_pages - ioc->used_pages, ioc->used_pages,
+ (int)(ioc->used_pages * 100 / total_pages));
#endif
- len += seq_printf(m, "Resource bitmap : %d bytes (%d pages)\n",
- ioc->res_size, total_pages);
+ seq_printf(m, "Resource bitmap : %d bytes (%d pages)\n",
+ ioc->res_size, total_pages);
#ifdef CCIO_COLLECT_STATS
min = max = ioc->avg_search[0];
@@ -1058,26 +1057,26 @@ static int ccio_proc_info(struct seq_file *m, void *p)
min = ioc->avg_search[j];
}
avg /= CCIO_SEARCH_SAMPLE;
- len += seq_printf(m, " Bitmap search : %ld/%ld/%ld (min/avg/max CPU Cycles)\n",
- min, avg, max);
+ seq_printf(m, " Bitmap search : %ld/%ld/%ld (min/avg/max CPU Cycles)\n",
+ min, avg, max);
- len += seq_printf(m, "pci_map_single(): %8ld calls %8ld pages (avg %d/1000)\n",
- ioc->msingle_calls, ioc->msingle_pages,
- (int)((ioc->msingle_pages * 1000)/ioc->msingle_calls));
+ seq_printf(m, "pci_map_single(): %8ld calls %8ld pages (avg %d/1000)\n",
+ ioc->msingle_calls, ioc->msingle_pages,
+ (int)((ioc->msingle_pages * 1000)/ioc->msingle_calls));
/* KLUGE - unmap_sg calls unmap_single for each mapped page */
min = ioc->usingle_calls - ioc->usg_calls;
max = ioc->usingle_pages - ioc->usg_pages;
- len += seq_printf(m, "pci_unmap_single: %8ld calls %8ld pages (avg %d/1000)\n",
- min, max, (int)((max * 1000)/min));
+ seq_printf(m, "pci_unmap_single: %8ld calls %8ld pages (avg %d/1000)\n",
+ min, max, (int)((max * 1000)/min));
- len += seq_printf(m, "pci_map_sg() : %8ld calls %8ld pages (avg %d/1000)\n",
- ioc->msg_calls, ioc->msg_pages,
- (int)((ioc->msg_pages * 1000)/ioc->msg_calls));
+ seq_printf(m, "pci_map_sg() : %8ld calls %8ld pages (avg %d/1000)\n",
+ ioc->msg_calls, ioc->msg_pages,
+ (int)((ioc->msg_pages * 1000)/ioc->msg_calls));
- len += seq_printf(m, "pci_unmap_sg() : %8ld calls %8ld pages (avg %d/1000)\n\n\n",
- ioc->usg_calls, ioc->usg_pages,
- (int)((ioc->usg_pages * 1000)/ioc->usg_calls));
+ seq_printf(m, "pci_unmap_sg() : %8ld calls %8ld pages (avg %d/1000)\n\n\n",
+ ioc->usg_calls, ioc->usg_pages,
+ (int)((ioc->usg_pages * 1000)/ioc->usg_calls));
#endif /* CCIO_COLLECT_STATS */
ioc = ioc->next;
@@ -1101,7 +1100,6 @@ static const struct file_operations ccio_proc_info_fops = {
static int ccio_proc_bitmap_info(struct seq_file *m, void *p)
{
- int len = 0;
struct ioc *ioc = ioc_list;
while (ioc != NULL) {
@@ -1110,11 +1108,11 @@ static int ccio_proc_bitmap_info(struct seq_file *m, void *p)
for (j = 0; j < (ioc->res_size / sizeof(u32)); j++) {
if ((j & 7) == 0)
- len += seq_puts(m, "\n ");
- len += seq_printf(m, "%08x", *res_ptr);
+ seq_puts(m, "\n ");
+ seq_printf(m, "%08x", *res_ptr);
res_ptr++;
}
- len += seq_puts(m, "\n\n");
+ seq_puts(m, "\n\n");
ioc = ioc->next;
break; /* XXX - remove me */
}
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 1ff1b67e8b27..f07471264689 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -1774,37 +1774,35 @@ static int sba_proc_info(struct seq_file *m, void *p)
#ifdef SBA_COLLECT_STATS
unsigned long avg = 0, min, max;
#endif
- int i, len = 0;
-
- len += seq_printf(m, "%s rev %d.%d\n",
- sba_dev->name,
- (sba_dev->hw_rev & 0x7) + 1,
- (sba_dev->hw_rev & 0x18) >> 3
- );
- len += seq_printf(m, "IO PDIR size : %d bytes (%d entries)\n",
- (int) ((ioc->res_size << 3) * sizeof(u64)), /* 8 bits/byte */
- total_pages);
-
- len += seq_printf(m, "Resource bitmap : %d bytes (%d pages)\n",
- ioc->res_size, ioc->res_size << 3); /* 8 bits per byte */
-
- len += seq_printf(m, "LMMIO_BASE/MASK/ROUTE %08x %08x %08x\n",
- READ_REG32(sba_dev->sba_hpa + LMMIO_DIST_BASE),
- READ_REG32(sba_dev->sba_hpa + LMMIO_DIST_MASK),
- READ_REG32(sba_dev->sba_hpa + LMMIO_DIST_ROUTE)
- );
+ int i;
+
+ seq_printf(m, "%s rev %d.%d\n",
+ sba_dev->name,
+ (sba_dev->hw_rev & 0x7) + 1,
+ (sba_dev->hw_rev & 0x18) >> 3);
+ seq_printf(m, "IO PDIR size : %d bytes (%d entries)\n",
+ (int)((ioc->res_size << 3) * sizeof(u64)), /* 8 bits/byte */
+ total_pages);
+
+ seq_printf(m, "Resource bitmap : %d bytes (%d pages)\n",
+ ioc->res_size, ioc->res_size << 3); /* 8 bits per byte */
+
+ seq_printf(m, "LMMIO_BASE/MASK/ROUTE %08x %08x %08x\n",
+ READ_REG32(sba_dev->sba_hpa + LMMIO_DIST_BASE),
+ READ_REG32(sba_dev->sba_hpa + LMMIO_DIST_MASK),
+ READ_REG32(sba_dev->sba_hpa + LMMIO_DIST_ROUTE));
for (i=0; i<4; i++)
- len += seq_printf(m, "DIR%d_BASE/MASK/ROUTE %08x %08x %08x\n", i,
- READ_REG32(sba_dev->sba_hpa + LMMIO_DIRECT0_BASE + i*0x18),
- READ_REG32(sba_dev->sba_hpa + LMMIO_DIRECT0_MASK + i*0x18),
- READ_REG32(sba_dev->sba_hpa + LMMIO_DIRECT0_ROUTE + i*0x18)
- );
+ seq_printf(m, "DIR%d_BASE/MASK/ROUTE %08x %08x %08x\n",
+ i,
+ READ_REG32(sba_dev->sba_hpa + LMMIO_DIRECT0_BASE + i*0x18),
+ READ_REG32(sba_dev->sba_hpa + LMMIO_DIRECT0_MASK + i*0x18),
+ READ_REG32(sba_dev->sba_hpa + LMMIO_DIRECT0_ROUTE + i*0x18));
#ifdef SBA_COLLECT_STATS
- len += seq_printf(m, "IO PDIR entries : %ld free %ld used (%d%%)\n",
- total_pages - ioc->used_pages, ioc->used_pages,
- (int) (ioc->used_pages * 100 / total_pages));
+ seq_printf(m, "IO PDIR entries : %ld free %ld used (%d%%)\n",
+ total_pages - ioc->used_pages, ioc->used_pages,
+ (int)(ioc->used_pages * 100 / total_pages));
min = max = ioc->avg_search[0];
for (i = 0; i < SBA_SEARCH_SAMPLE; i++) {
@@ -1813,26 +1811,26 @@ static int sba_proc_info(struct seq_file *m, void *p)
if (ioc->avg_search[i] < min) min = ioc->avg_search[i];
}
avg /= SBA_SEARCH_SAMPLE;
- len += seq_printf(m, " Bitmap search : %ld/%ld/%ld (min/avg/max CPU Cycles)\n",
- min, avg, max);
+ seq_printf(m, " Bitmap search : %ld/%ld/%ld (min/avg/max CPU Cycles)\n",
+ min, avg, max);
- len += seq_printf(m, "pci_map_single(): %12ld calls %12ld pages (avg %d/1000)\n",
- ioc->msingle_calls, ioc->msingle_pages,
- (int) ((ioc->msingle_pages * 1000)/ioc->msingle_calls));
+ seq_printf(m, "pci_map_single(): %12ld calls %12ld pages (avg %d/1000)\n",
+ ioc->msingle_calls, ioc->msingle_pages,
+ (int)((ioc->msingle_pages * 1000)/ioc->msingle_calls));
/* KLUGE - unmap_sg calls unmap_single for each mapped page */
min = ioc->usingle_calls;
max = ioc->usingle_pages - ioc->usg_pages;
- len += seq_printf(m, "pci_unmap_single: %12ld calls %12ld pages (avg %d/1000)\n",
- min, max, (int) ((max * 1000)/min));
+ seq_printf(m, "pci_unmap_single: %12ld calls %12ld pages (avg %d/1000)\n",
+ min, max, (int)((max * 1000)/min));
- len += seq_printf(m, "pci_map_sg() : %12ld calls %12ld pages (avg %d/1000)\n",
- ioc->msg_calls, ioc->msg_pages,
- (int) ((ioc->msg_pages * 1000)/ioc->msg_calls));
+ seq_printf(m, "pci_map_sg() : %12ld calls %12ld pages (avg %d/1000)\n",
+ ioc->msg_calls, ioc->msg_pages,
+ (int)((ioc->msg_pages * 1000)/ioc->msg_calls));
- len += seq_printf(m, "pci_unmap_sg() : %12ld calls %12ld pages (avg %d/1000)\n",
- ioc->usg_calls, ioc->usg_pages,
- (int) ((ioc->usg_pages * 1000)/ioc->usg_calls));
+ seq_printf(m, "pci_unmap_sg() : %12ld calls %12ld pages (avg %d/1000)\n",
+ ioc->usg_calls, ioc->usg_pages,
+ (int)((ioc->usg_pages * 1000)/ioc->usg_calls));
#endif
return 0;
@@ -1858,14 +1856,14 @@ sba_proc_bitmap_info(struct seq_file *m, void *p)
struct sba_device *sba_dev = sba_list;
struct ioc *ioc = &sba_dev->ioc[0]; /* FIXME: Multi-IOC support! */
unsigned int *res_ptr = (unsigned int *)ioc->res_map;
- int i, len = 0;
+ int i;
for (i = 0; i < (ioc->res_size/sizeof(unsigned int)); ++i, ++res_ptr) {
if ((i & 7) == 0)
- len += seq_printf(m, "\n ");
- len += seq_printf(m, " %08x", *res_ptr);
+ seq_puts(m, "\n ");
+ seq_printf(m, " %08x", *res_ptr);
}
- len += seq_printf(m, "\n");
+ seq_putc(m, '\n');
return 0;
}
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 5b2e76159b41..87647f459198 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -459,23 +459,25 @@ static int cmos_procfs(struct device *dev, struct seq_file *seq)
/* NOTE: at least ICH6 reports battery status using a different
* (non-RTC) bit; and SQWE is ignored on many current systems.
*/
- return seq_printf(seq,
- "periodic_IRQ\t: %s\n"
- "update_IRQ\t: %s\n"
- "HPET_emulated\t: %s\n"
- // "square_wave\t: %s\n"
- "BCD\t\t: %s\n"
- "DST_enable\t: %s\n"
- "periodic_freq\t: %d\n"
- "batt_status\t: %s\n",
- (rtc_control & RTC_PIE) ? "yes" : "no",
- (rtc_control & RTC_UIE) ? "yes" : "no",
- is_hpet_enabled() ? "yes" : "no",
- // (rtc_control & RTC_SQWE) ? "yes" : "no",
- (rtc_control & RTC_DM_BINARY) ? "no" : "yes",
- (rtc_control & RTC_DST_EN) ? "yes" : "no",
- cmos->rtc->irq_freq,
- (valid & RTC_VRT) ? "okay" : "dead");
+ seq_printf(seq,
+ "periodic_IRQ\t: %s\n"
+ "update_IRQ\t: %s\n"
+ "HPET_emulated\t: %s\n"
+ // "square_wave\t: %s\n"
+ "BCD\t\t: %s\n"
+ "DST_enable\t: %s\n"
+ "periodic_freq\t: %d\n"
+ "batt_status\t: %s\n",
+ (rtc_control & RTC_PIE) ? "yes" : "no",
+ (rtc_control & RTC_UIE) ? "yes" : "no",
+ is_hpet_enabled() ? "yes" : "no",
+ // (rtc_control & RTC_SQWE) ? "yes" : "no",
+ (rtc_control & RTC_DM_BINARY) ? "no" : "yes",
+ (rtc_control & RTC_DST_EN) ? "yes" : "no",
+ cmos->rtc->irq_freq,
+ (valid & RTC_VRT) ? "okay" : "dead");
+
+ return 0;
}
#else
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index 129add77065d..12b07158a366 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -434,9 +434,9 @@ static int ds1305_proc(struct device *dev, struct seq_file *seq)
}
done:
- return seq_printf(seq,
- "trickle_charge\t: %s%s\n",
- diodes, resistors);
+ seq_printf(seq, "trickle_charge\t: %s%s\n", diodes, resistors);
+
+ return 0;
}
#else
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index 3a6fd3a8a2ec..548ea6f6f384 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -277,13 +277,15 @@ static int mrst_procfs(struct device *dev, struct seq_file *seq)
valid = vrtc_cmos_read(RTC_VALID);
spin_unlock_irq(&rtc_lock);
- return seq_printf(seq,
- "periodic_IRQ\t: %s\n"
- "alarm\t\t: %s\n"
- "BCD\t\t: no\n"
- "periodic_freq\t: daily (not adjustable)\n",
- (rtc_control & RTC_PIE) ? "on" : "off",
- (rtc_control & RTC_AIE) ? "on" : "off");
+ seq_printf(seq,
+ "periodic_IRQ\t: %s\n"
+ "alarm\t\t: %s\n"
+ "BCD\t\t: no\n"
+ "periodic_freq\t: daily (not adjustable)\n",
+ (rtc_control & RTC_PIE) ? "on" : "off",
+ (rtc_control & RTC_AIE) ? "on" : "off");
+
+ return 0;
}
#else
diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index d948277057d8..60232bd366ef 100644
--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -261,7 +261,9 @@ static int tegra_rtc_proc(struct device *dev, struct seq_file *seq)
if (!dev || !dev->driver)
return 0;
- return seq_printf(seq, "name\t\t: %s\n", dev_name(dev));
+ seq_printf(seq, "name\t\t: %s\n", dev_name(dev));
+
+ return 0;
}
static irqreturn_t tegra_rtc_irq_handler(int irq, void *data)
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index b3f791b2c1f8..20314aad7ab7 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -330,18 +330,20 @@ cio_ignore_proc_seq_show(struct seq_file *s, void *it)
if (!iter->in_range) {
/* First device in range. */
if ((iter->devno == __MAX_SUBCHANNEL) ||
- !is_blacklisted(iter->ssid, iter->devno + 1))
+ !is_blacklisted(iter->ssid, iter->devno + 1)) {
/* Singular device. */
- return seq_printf(s, "0.%x.%04x\n",
- iter->ssid, iter->devno);
+ seq_printf(s, "0.%x.%04x\n", iter->ssid, iter->devno);
+ return 0;
+ }
iter->in_range = 1;
- return seq_printf(s, "0.%x.%04x-", iter->ssid, iter->devno);
+ seq_printf(s, "0.%x.%04x-", iter->ssid, iter->devno);
+ return 0;
}
if ((iter->devno == __MAX_SUBCHANNEL) ||
!is_blacklisted(iter->ssid, iter->devno + 1)) {
/* Last device in range. */
iter->in_range = 0;
- return seq_printf(s, "0.%x.%04x\n", iter->ssid, iter->devno);
+ seq_printf(s, "0.%x.%04x\n", iter->ssid, iter->devno);
}
return 0;
}
diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c
index 0787b9756165..228c782d6433 100644
--- a/drivers/sbus/char/bbc_envctrl.c
+++ b/drivers/sbus/char/bbc_envctrl.c
@@ -160,8 +160,7 @@ static void do_envctrl_shutdown(struct bbc_cpu_temperature *tp)
printk(KERN_CRIT "kenvctrld: Shutting down the system now.\n");
shutting_down = 1;
- if (orderly_poweroff(true) < 0)
- printk(KERN_CRIT "envctrl: shutdown execution failed\n");
+ orderly_poweroff(true);
}
#define WARN_INTERVAL (30 * HZ)
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index e244cf3d9ec8..5609b602c54d 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -970,18 +970,13 @@ static struct i2c_child_t *envctrl_get_i2c_child(unsigned char mon_type)
static void envctrl_do_shutdown(void)
{
static int inprog = 0;
- int ret;
if (inprog != 0)
return;
inprog = 1;
printk(KERN_CRIT "kenvctrld: WARNING: Shutting down the system now.\n");
- ret = orderly_poweroff(true);
- if (ret < 0) {
- printk(KERN_CRIT "kenvctrld: WARNING: system shutdown failed!\n");
- inprog = 0; /* unlikely to succeed, but we could try again */
- }
+ orderly_poweroff(true);
}
static struct task_struct *kenvctrld_task;
diff --git a/drivers/staging/lustre/lustre/Kconfig b/drivers/staging/lustre/lustre/Kconfig
index 6725467ef4d0..62c7bba75274 100644
--- a/drivers/staging/lustre/lustre/Kconfig
+++ b/drivers/staging/lustre/lustre/Kconfig
@@ -10,6 +10,7 @@ config LUSTRE_FS
select CRYPTO_SHA1
select CRYPTO_SHA256
select CRYPTO_SHA512
+ depends on MULTIUSER
help
This option enables Lustre file system client support. Choose Y
here if you want to access a Lustre file system cluster. To compile