Commit cc6456af authored Feb 06, 2014 by Akeem G Abodunrin Committed by Jeff Kirsher Mar 06, 2014

i40e: Prevent overflow due to kzalloc



To prevent the possibility of overflow due multiplication of number and size
use kcalloc instead of kzalloc.

Change-ID: Ibe4d81ed7d9738d3bbe66ee4844ff9be817e8080
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent 17a73f6b

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -858,7 +858,7 @@ int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
		}
		}
		/* allocate memory */
		vfs = kzalloc(num_alloc_vfs * sizeof(struct i40e_vf), GFP_KERNEL);
		vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
		if (!vfs) {
		ret = -ENOMEM;
		goto err_alloc;