[PATCH 414/524] staging: hv: check kzalloc() result

[Greg Kroah-Hartman]

From: Kulikov Vasiliy <segooon at gmail.com>

If kzalloc() fails free allocated resources and exit.

Signed-off-by: Kulikov Vasiliy <segooon at gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
 drivers/staging/hv/channel.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c
index f047c5a..78d1aa5 100644
--- a/drivers/staging/hv/channel.c
+++ b/drivers/staging/hv/channel.c
@@ -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;
-- 
1.7.1