Commit 54902349 authored Aug 06, 2017 by Christophe JAILLET Committed by Jeff Kirsher Oct 02, 2017

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>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent 5872866e

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;