From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Mon, 28 Apr 2008 09:14:41 +0000 (-0700)
Subject: capifs: fix memory leak on remount
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c24e9b3fa3fdfca3834eba0bb217c8c197a43b7e;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

capifs: fix memory leak on remount

capifs_remount may reach 'return' statement without freeing of memory
allocated by kstrdup call

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index eafe0e9daa7..550e80f390a 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -69,6 +69,7 @@ static int capifs_remount(struct super_block *s, int *flags, char *data)
 		} else if (sscanf(this_char, "mode=%o%c", &n, &dummy) == 1)
 			mode = n & ~S_IFMT;
 		else {
+			kfree(new_opt);
 			printk("capifs: called with bogus options\n");
 			return -EINVAL;
 		}