From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
To: jeffrey.t.kirsher@intel.com
Cc: intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: [PATCH] i40e: Check for memory allocation failure
Date: Fri, 5 May 2017 21:29:13 +0200 [thread overview]
Message-ID: <20170505192913.4905-1-christophe.jaillet@wanadoo.fr> (raw)
If 'kzalloc' fails, a NULL pointer will be dereferenced. Return -ENOMEM
instead.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
drivers/net/ethernet/intel/i40e/i40e_client.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_client.c b/drivers/net/ethernet/intel/i40e/i40e_client.c
index eb2896fd52a6..86e99ed7fb04 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++) {
--
2.11.0
reply other threads:[~2017-05-05 19:33 UTC|newest]
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