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

   1 From 99b1d1887fee36ef9ff5d2ee24f0cf3e8c172104 Mon Sep 17 00:00:00 2001
   2 From: Hauke Mehrtens <hauke@hauke-m.de>
   3 Date: Sun, 13 Oct 2013 22:53:49 +0200
   4 Subject: [PATCH] mtd: bcm47xxpart: handle malloc failures
   5
   6 Handle return NULL in malloc.
   7
   8 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
   9 Signed-off-by: Brian Norris <computersforpeace@gmail.com>
  10 ---
  11  drivers/mtd/bcm47xxpart.c |    7 +++++++
  12  1 file changed, 7 insertions(+)
  13
  14 --- a/drivers/mtd/bcm47xxpart.c
  15 +++ b/drivers/mtd/bcm47xxpart.c
  16 @@ -71,7 +71,14 @@ static int bcm47xxpart_parse(struct mtd_
  17         /* Alloc */
  18         parts = kzalloc(sizeof(struct mtd_partition) * BCM47XXPART_MAX_PARTS,
  19                         GFP_KERNEL);
  20 +       if (!parts)
  21 +               return -ENOMEM;
  22 +
  23         buf = kzalloc(BCM47XXPART_BYTES_TO_READ, GFP_KERNEL);
  24 +       if (!buf) {
  25 +               kfree(parts);
  26 +               return -ENOMEM;
  27 +       }
  28
  29         /* Parse block by block looking for magics */
  30         for (offset = 0; offset <= master->size - blocksize;