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authorLinus Torvalds <torvalds@g5.osdl.org>2006-01-04 18:44:12 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-04 18:44:12 -0800
commitdb9edfd7e339ca4113153d887e782dd05be5a9eb (patch)
tree0a4ba12447a0cabc800adc7e9667d284777b0181 /kernel
parent631b034724364b413e8a52e7c2e03a9d77e4c2b4 (diff)
parentfd586bacf439f36dea9b9bf6e6133ac87df2730c (diff)
downloadlinux-db9edfd7e339ca4113153d887e782dd05be5a9eb.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6
Trivial manual merge fixup for usb_find_interface clashes.
Diffstat (limited to 'kernel')
-rw-r--r--kernel/ksysfs.c30
-rw-r--r--kernel/sysctl.c8
2 files changed, 29 insertions, 9 deletions
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 015fb69ad94d..99af8b05eeaa 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -15,6 +15,9 @@
#include <linux/module.h>
#include <linux/init.h>
+u64 uevent_seqnum;
+char uevent_helper[UEVENT_HELPER_PATH_LEN] = "/sbin/hotplug";
+
#define KERNEL_ATTR_RO(_name) \
static struct subsys_attribute _name##_attr = __ATTR_RO(_name)
@@ -23,11 +26,29 @@ static struct subsys_attribute _name##_attr = \
__ATTR(_name, 0644, _name##_show, _name##_store)
#ifdef CONFIG_HOTPLUG
-static ssize_t hotplug_seqnum_show(struct subsystem *subsys, char *page)
+/* current uevent sequence number */
+static ssize_t uevent_seqnum_show(struct subsystem *subsys, char *page)
+{
+ return sprintf(page, "%llu\n", (unsigned long long)uevent_seqnum);
+}
+KERNEL_ATTR_RO(uevent_seqnum);
+
+/* uevent helper program, used during early boo */
+static ssize_t uevent_helper_show(struct subsystem *subsys, char *page)
+{
+ return sprintf(page, "%s\n", uevent_helper);
+}
+static ssize_t uevent_helper_store(struct subsystem *subsys, const char *page, size_t count)
{
- return sprintf(page, "%llu\n", (unsigned long long)hotplug_seqnum);
+ if (count+1 > UEVENT_HELPER_PATH_LEN)
+ return -ENOENT;
+ memcpy(uevent_helper, page, count);
+ uevent_helper[count] = '\0';
+ if (count && uevent_helper[count-1] == '\n')
+ uevent_helper[count-1] = '\0';
+ return count;
}
-KERNEL_ATTR_RO(hotplug_seqnum);
+KERNEL_ATTR_RW(uevent_helper);
#endif
#ifdef CONFIG_KEXEC
@@ -45,7 +66,8 @@ EXPORT_SYMBOL_GPL(kernel_subsys);
static struct attribute * kernel_attrs[] = {
#ifdef CONFIG_HOTPLUG
- &hotplug_seqnum_attr.attr,
+ &uevent_seqnum_attr.attr,
+ &uevent_helper_attr.attr,
#endif
#ifdef CONFIG_KEXEC
&crash_notes_attr.attr,
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index b53115b882e1..345f4a1d533f 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -31,6 +31,7 @@
#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/kobject.h>
#include <linux/net.h>
#include <linux/sysrq.h>
#include <linux/highuid.h>
@@ -83,9 +84,6 @@ static int ngroups_max = NGROUPS_MAX;
#ifdef CONFIG_KMOD
extern char modprobe_path[];
#endif
-#ifdef CONFIG_HOTPLUG
-extern char hotplug_path[];
-#endif
#ifdef CONFIG_CHR_DEV_SG
extern int sg_big_buff;
#endif
@@ -397,8 +395,8 @@ static ctl_table kern_table[] = {
{
.ctl_name = KERN_HOTPLUG,
.procname = "hotplug",
- .data = &hotplug_path,
- .maxlen = HOTPLUG_PATH_LEN,
+ .data = &uevent_helper,
+ .maxlen = UEVENT_HELPER_PATH_LEN,
.mode = 0644,
.proc_handler = &proc_dostring,
.strategy = &sysctl_string,