openwrtv4/target/linux/brcm47xx/patches-3.10/020-mtd-bcm47xxpart-handle-malloc-failures.patch

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From 99b1d1887fee36ef9ff5d2ee24f0cf3e8c172104 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 13 Oct 2013 22:53:49 +0200
Subject: [PATCH] mtd: bcm47xxpart: handle malloc failures
Handle return NULL in malloc.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---
drivers/mtd/bcm47xxpart.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -71,7 +71,14 @@ static int bcm47xxpart_parse(struct mtd_
/* Alloc */
parts = kzalloc(sizeof(struct mtd_partition) * BCM47XXPART_MAX_PARTS,
GFP_KERNEL);
+ if (!parts)
+ return -ENOMEM;
+
buf = kzalloc(BCM47XXPART_BYTES_TO_READ, GFP_KERNEL);
+ if (!buf) {
+ kfree(parts);
+ return -ENOMEM;
+ }
/* Parse block by block looking for magics */
for (offset = 0; offset <= master->size - blocksize;