Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull VFS updates from Al Viro,

Misc cleanups all over the place, mainly wrt /proc interfaces (switch
create_proc_entry to proc_create(), get rid of the deprecated
create_proc_read_entry() in favor of using proc_create_data() and
seq_file etc).

7kloc removed.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (204 commits)
  don't bother with deferred freeing of fdtables
  proc: Move non-public stuff from linux/proc_fs.h to fs/proc/internal.h
  proc: Make the PROC_I() and PDE() macros internal to procfs
  proc: Supply a function to remove a proc entry by PDE
  take cgroup_open() and cpuset_open() to fs/proc/base.c
  ppc: Clean up scanlog
  ppc: Clean up rtas_flash driver somewhat
  hostap: proc: Use remove_proc_subtree()
  drm: proc: Use remove_proc_subtree()
  drm: proc: Use minor->index to label things, not PDE->name
  drm: Constify drm_proc_list[]
  zoran: Don't print proc_dir_entry data in debug
  reiserfs: Don't access the proc_dir_entry in r_open(), r_start() r_show()
  proc: Supply an accessor for getting the data from a PDE's parent
  airo: Use remove_proc_subtree()
  rtl8192u: Don't need to save device proc dir PDE
  rtl8187se: Use a dir under /proc/net/r8180/
  proc: Add proc_mkdir_data()
  proc: Move some bits from linux/proc_fs.h to linux/{of.h,signal.h,tty.h}
  proc: Move PDE_NET() to fs/proc/proc_net.c
  ...

1 files changed, 22 insertions, 31 deletions

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
index 76c56e5aed79..e0870c05a5e0 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
@@ -243,39 +243,34 @@ static int debug = \
 			    ;
 struct proc_dir_entry *ieee80211_proc;
 
-static int show_debug_level(char *page, char **start, off_t offset,
-			    int count, int *eof, void *data)
+static int show_debug_level(struct seq_file *m, void *v)
 {
-	return snprintf(page, count, "0x%08X\n", ieee80211_debug_level);
+	return seq_printf(m, "0x%08X\n", ieee80211_debug_level);
 }
 
-static int store_debug_level(struct file *file, const char *buffer,
-			     unsigned long count, void *data)
+static ssize_t write_debug_level(struct file *file, const char __user *buffer,
+			     size_t count, loff_t *ppos)
 {
-	char buf[] = "0x00000000";
-	unsigned long len = min_t(unsigned long, sizeof(buf) - 1, count);
-	char *p = (char *)buf;
 	unsigned long val;
+	int err = kstrtoul_from_user(buffer, count, 0, &val);
+	if (err)
+		return err;
+	ieee80211_debug_level = val;
+	return count;
+}
 
-	if (copy_from_user(buf, buffer, len))
-		return count;
-	buf[len] = 0;
-	if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
-		p++;
-		if (p[0] == 'x' || p[0] == 'X')
-			p++;
-		val = simple_strtoul(p, &p, 16);
-	} else
-		val = simple_strtoul(p, &p, 10);
-	if (p == buf)
-		printk(KERN_INFO DRV_NAME
-		       ": %s is not in hex or decimal form.\n", buf);
-	else
-		ieee80211_debug_level = val;
-
-	return strnlen(buf, count);
+static int open_debug_level(struct inode *inode, struct file *file)
+{
+	return single_open(file, show_debug_level, NULL);
 }
 
+static const struct file_operations fops = {
+	.open = open_debug_level,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.write = write_debug_level
+};
+
 int __init ieee80211_debug_init(void)
 {
 	struct proc_dir_entry *e;
@@ -288,17 +283,13 @@ int __init ieee80211_debug_init(void)
 				" proc directory\n");
 		return -EIO;
 	}
-	e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR,
-			      ieee80211_proc);
+	e = proc_create("debug_level", S_IRUGO | S_IWUSR, 
+			      ieee80211_proc, &fops);
 	if (!e) {
 		remove_proc_entry(DRV_NAME, init_net.proc_net);
 		ieee80211_proc = NULL;
 		return -EIO;
 	}
-	e->read_proc = show_debug_level;
-	e->write_proc = store_debug_level;
-	e->data = NULL;
-
 	return 0;
 }