From 8042273801059884da2d53bbca34575d090b6f4e Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Tue, 22 Dec 2009 22:25:16 +0100
Subject: [PATCH] devtmpfs: unlock mutex in case of string allocation error
Reported-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/base/devtmpfs.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 278371c7bf5a4..090dd4851301a 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -101,8 +101,10 @@ static int create_path(const char *nodepath)
/* parent directories do not exist, create them */
path = kstrdup(nodepath, GFP_KERNEL);
- if (!path)
- return -ENOMEM;
+ if (!path) {
+ err = -ENOMEM;
+ goto out;
+ }
s = path;
for (;;) {
s = strchr(s, '/');
@@ -117,6 +119,7 @@ static int create_path(const char *nodepath)
}
kfree(path);
}
+out:
mutex_unlock(&dirlock);
return err;
}