staging: hv: check kzalloc() result
authorKulikov Vasiliy <segooon@gmail.com>
Fri, 16 Jul 2010 16:13:51 +0000 (20:13 +0400)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 22 Jul 2010 21:33:00 +0000 (14:33 -0700)
If kzalloc() fails free allocated resources and exit.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/hv/channel.c

index f047c5a..78d1aa5 100644 (file)
@@ -465,6 +465,8 @@ static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
                          sizeof(struct vmbus_channel_gpadl_header) +
                          sizeof(struct gpa_range) + pageCount * sizeof(u64);
                msgHeader = kzalloc(msgSize, GFP_KERNEL);
+               if (msgHeader == NULL)
+                       goto nomem;
                msgHeader->MessageSize = msgSize;
 
                gpaHeader = (struct vmbus_channel_gpadl_header *)msgHeader->Msg;