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authorJia-Ju Bai <baijiaju1990@gmail.com>2022-02-25 15:37:27 +0300
committerDavid S. Miller <davem@davemloft.net>2022-02-25 15:52:05 +0300
commit767b9825ed1765894e569a3d698749d40d83762a (patch)
tree0ac12e6b18aecd552af761319c970f9ee0885697 /drivers/net/ethernet/chelsio
parent5a83dd14c63b80133c0075dfa089d0446cb1e4b3 (diff)
downloadlinux-767b9825ed1765894e569a3d698749d40d83762a.tar.xz
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: 4d22de3e6cc4 ("Add support for the latest 1G/10G Chelsio adapter, T3") Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb3/t3_hw.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
index da41eee2f25c..a06003bfa04b 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
@@ -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;