X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fbinfmt_misc.c;h=330fd3fe8546570732da73f6957f31dc5778eb47;hb=60a96a59569bab85571d0089682109bd3324e896;hp=18657f001b43ba8b1393da95cb7b0481910ba937;hpb=1a1c9bb433af252767ee90d6394d287afa30cf8b;p=linux-2.6-omap-h63xx.git

diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 18657f001b4..330fd3fe854 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -18,7 +18,7 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
-
+#include <linux/sched.h>
 #include <linux/binfmts.h>
 #include <linux/slab.h>
 #include <linux/ctype.h>
@@ -675,19 +675,8 @@ static ssize_t
 bm_status_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
 {
 	char *s = enabled ? "enabled" : "disabled";
-	int len = strlen(s);
-	loff_t pos = *ppos;
 
-	if (pos < 0)
-		return -EINVAL;
-	if (pos >= len)
-		return 0;
-	if (len < pos + nbytes)
-		nbytes = len - pos;
-	if (copy_to_user(buf, s + pos, nbytes))
-		return -EFAULT;
-	*ppos = pos + nbytes;
-	return nbytes;
+	return simple_read_from_buffer(buf, nbytes, ppos, s, strlen(s));
 }
 
 static ssize_t bm_status_write(struct file * file, const char __user * buffer,