From: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Date: Fri, 5 May 2017 19:29:13 +0000 (+0200)
Subject: i40e: Check for memory allocation failure
X-Git-Tag: v4.13-rc1~157^2~332^2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0a4ecc2c5e0479f269e6ca5f9588b23d649aa948;p=karo-tx-linux.git

i40e: Check for memory allocation failure

If 'kzalloc' fails, a NULL pointer will be dereferenced. Return -ENOMEM
instead.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

diff --git a/drivers/net/ethernet/intel/i40e/i40e_client.c b/drivers/net/ethernet/intel/i40e/i40e_client.c
index c3b81a97558e..088b4a43bd2a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_client.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_client.c
@@ -595,6 +595,8 @@ static int i40e_client_setup_qvlist(struct i40e_info *ldev,
 	size = sizeof(struct i40e_qvlist_info) +
 	       (sizeof(struct i40e_qv_info) * (qvlist_info->num_vectors - 1));
 	ldev->qvlist_info = kzalloc(size, GFP_KERNEL);
+	if (!ldev->qvlist_info)
+		return -ENOMEM;
 	ldev->qvlist_info->num_vectors = qvlist_info->num_vectors;
 
 	for (i = 0; i < qvlist_info->num_vectors; i++) {