From: Fabian Frederick <fabf@skynet.be>
Date: Wed, 4 Jun 2014 23:11:24 +0000 (-0700)
Subject: kernel/res_counter.c: replace simple_strtoull by kstrtoull
X-Git-Tag: firefly_0821_release~176^2~3785^2~16^2~58
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6c5a53c67057bddf7f8e26c93a8e045215f61539;p=firefly-linux-kernel-4.4.55.git

kernel/res_counter.c: replace simple_strtoull by kstrtoull

[akpm@linux-foundation.org: don't overwrite kstrtoull()'s errno]
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/kernel/res_counter.c b/kernel/res_counter.c
index 51dbac6a3633..e791130f85a7 100644
--- a/kernel/res_counter.c
+++ b/kernel/res_counter.c
@@ -186,8 +186,11 @@ int res_counter_memparse_write_strategy(const char *buf,
 
 	/* return RES_COUNTER_MAX(unlimited) if "-1" is specified */
 	if (*buf == '-') {
-		res = simple_strtoull(buf + 1, &end, 10);
-		if (res != 1 || *end != '\0')
+		int rc = kstrtoull(buf + 1, 10, &res);
+
+		if (rc)
+			return rc;
+		if (res != 1)
 			return -EINVAL;
 		*resp = RES_COUNTER_MAX;
 		return 0;