[PATCH] check for failed kmalloc in inftlmount.c

The INFTL mount code contains a kmalloc() followed by a memset() without
handling a possible memory allocation failure.

Signed-off-by: <panagiotis.issaris@mech.kuleuven.ac.be>
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c
index b5dda47395a7..3dac53feeee2 100644
--- a/drivers/mtd/inftlmount.c
+++ b/drivers/mtd/inftlmount.c
@@ -574,6 +574,12 @@ int INFTL_mount(struct INFTLrecord *s)
 
         /* Temporary buffer to store ANAC numbers. */
         ANACtable = kmalloc(s->nb_blocks * sizeof(u8), GFP_KERNEL);
+        if (!ANACtable) {
+                printk(KERN_WARNING "INFTL: allocation of ANACtable "
+                                "failed (%zd bytes)\n",
+                                s->nb_blocks * sizeof(u8));
+                return -ENOMEM;
+        }
         memset(ANACtable, 0, s->nb_blocks);
 
         /*