Commit 767b9825 authored by Jia-Ju Bai's avatar Jia-Ju Bai Committed by David S. Miller
Browse files

net: chelsio: cxgb3: check the return value of pci_find_capability() 



The function pci_find_capability() in t3_prep_adapter() can fail, so its
return value should be checked.

Fixes: 4d22de3e ("Add support for the latest 1G/10G Chelsio adapter, T3")
Reported-by: default avatarTOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: default avatarJia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5a83dd14

drivers/net/ethernet/chelsio/cxgb3/t3_hw.c

+2 −0
Original line number Diff line number Diff line
@@ -3613,6 +3613,8 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, 
	    MAC_STATS_ACCUM_SECS : (MAC_STATS_ACCUM_SECS * 10);

	adapter->params.pci.vpd_cap_addr =

	    pci_find_capability(adapter->pdev, PCI_CAP_ID_VPD);

	if (!adapter->params.pci.vpd_cap_addr)

		return -ENODEV;

	ret = get_vpd_params(adapter, &adapter->params.vpd);

	if (ret < 0)

		return ret;