From: Yuriy Nazarov <nazarov.yuriy.pavlovich@gmail.com>
Date: Wed, 18 Jun 2014 23:12:22 +0000 (+0400)
Subject: lib/loopdev.c: reset errno before strtol() call
X-Git-Tag: v2.25-rc2~50^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f0fe8ab50df992e2f0a9e8c49b2c43d161880d07;p=thirdparty%2Futil-linux.git

lib/loopdev.c: reset errno before strtol() call

Fixed unsuccessful attempt to find unused loop devices if 0-7
devices already used and /dev/loop directory exists.
---

diff --git a/lib/loopdev.c b/lib/loopdev.c
index 988f3d337a..2488a6fdb0 100644
--- a/lib/loopdev.c
+++ b/lib/loopdev.c
@@ -458,6 +458,7 @@ static int loop_scandir(const char *dirname, int **ary, int hasprefix)
 			/* /dev/loop/<N> */
 			char *end = NULL;
 
+			errno = 0;
 			n = strtol(d->d_name, &end, 10);
 			if (d->d_name == end || (end && *end) || errno)
 				continue;