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devtmpfs: unlock mutex in case of string allocation error

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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>
This commit is contained in:
Kay Sievers 2009-12-22 22:25:16 +01:00 committed by Greg Kroah-Hartman
parent 0787fdf70b
commit 8042273801
1 changed files with 5 additions and 2 deletions
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7
drivers/base/devtmpfs.c
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@ -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;
}