From: Peter Huewe <peterhuewe@gmx.de>
Date: Sun, 15 Apr 2012 00:20:27 +0000 (+0200)
Subject: fuse: Convert to kstrtoul_from_user
X-Git-Tag: v3.5-rc2~33^2~4
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=e2690695ce5085677b84fbf2e38d2ed57cad39cd

fuse: Convert to kstrtoul_from_user

This patch replaces the code for getting an number from a
userspace buffer by a simple call to kstroul_from_user.
This makes it easier to read and less error prone.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---

diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 42593c587d48..03ff5b1eba93 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -75,19 +75,13 @@ static ssize_t fuse_conn_limit_write(struct file *file, const char __user *buf,
 				     unsigned global_limit)
 {
 	unsigned long t;
-	char tmp[32];
 	unsigned limit = (1 << 16) - 1;
 	int err;
 
-	if (*ppos || count >= sizeof(tmp) - 1)
-		return -EINVAL;
-
-	if (copy_from_user(tmp, buf, count))
+	if (*ppos)
 		return -EINVAL;
 
-	tmp[count] = '\0';
-
-	err = strict_strtoul(tmp, 0, &t);
+	err = kstrtoul_from_user(buf, count, 0, &t);
 	if (err)
 		return err;