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Groups > linux.kernel > #1704999
| From | Christophe JAILLET <christophe.jaillet@wanadoo.fr> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] i40e: Fix a potential NULL pointer dereference |
| Date | 2017-08-06 23:40 +0200 |
| Message-ID | <ubBrc-7wm-31@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
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
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[PATCH] i40e: Fix a potential NULL pointer dereference Christophe JAILLET <christophe.jaillet@wanadoo.fr> - 2017-08-06 23:40 +0200
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