Commit c8781cf4 authored Dec 04, 2013 by Michal Kalderon Committed by David S. Miller Dec 05, 2013

bnx2x: avoid null pointer dereference when enabling SR-IOV



Fixed NULL pointer dereference when dynamically activating SR-IOV after vf
database failed to be allocated in probe stage (for example due to no ARI
support in pci hub).

Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 78ac814f

drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -3114,6 +3114,11 @@ int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
		{
		struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));

		if (!IS_SRIOV(bp)) {
		BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n");
		return -EINVAL;
		}

		DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
		num_vfs_param, BNX2X_NR_VIRTFN(bp));