Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1704999 > unrolled thread

[PATCH] i40e: Fix a potential NULL pointer dereference

Back to article view | Back to linux.kernel

Contents

  [PATCH] i40e: Fix a potential NULL pointer dereference Christophe JAILLET <christophe.jaillet@wanadoo.fr> - 2017-08-06 23:40 +0200

#1704999 — [PATCH] i40e: Fix a potential NULL pointer dereference

If 'kzalloc()' fails, a NULL pointer will be dereferenced.
Return an error code (-ENOMEM) instead.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 979110d59f67..facd48fc15d4 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -423,6 +423,9 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf,
 	       (sizeof(struct virtchnl_iwarp_qv_info) *
 						(qvlist_info->num_vectors - 1));
 	vf->qvlist_info = kzalloc(size, GFP_KERNEL);
+	if (!vf->qvlist_info)
+		return -ENOMEM;
+
 	vf->qvlist_info->num_vectors = qvlist_info->num_vectors;
 
 	msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
-- 
2.11.0

[toc] | [standalone]

Back to top | Article view | linux.kernel

csiph-web