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| author | Denis Plotnikov <den-plotnikov@yandex-team.ru> | 2023-04-07 10:18:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-20 12:10:26 +0200 |
| commit | dad92d8ada07f1a700d7ac83358e1682d6f98f9e (patch) | |
| tree | e18872a4cb3cd980569054567e78f766ec1eb1e9 | |
| parent | 4a519731ece83d0884fa12595206f1d12f7fe4e5 (diff) | |
| download | linux-stable-dad92d8ada07f1a700d7ac83358e1682d6f98f9e.tar.gz linux-stable-dad92d8ada07f1a700d7ac83358e1682d6f98f9e.tar.bz2 linux-stable-dad92d8ada07f1a700d7ac83358e1682d6f98f9e.zip | |
qlcnic: check pci_reset_function result
[ Upstream commit 7573099e10ca69c3be33995c1fcd0d241226816d ]
Static code analyzer complains to unchecked return value.
The result of pci_reset_function() is unchecked.
Despite, the issue is on the FLR supported code path and in that
case reset can be done with pcie_flr(), the patch uses less invasive
approach by adding the result check of pci_reset_function().
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 7e2cf4feba05 ("qlcnic: change driver hardware interface mechanism")
Signed-off-by: Denis Plotnikov <den-plotnikov@yandex-team.ru>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c index 87f76bac2e46..eb827b86ecae 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c @@ -628,7 +628,13 @@ int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev) int i, err, ring; if (dev->flags & QLCNIC_NEED_FLR) { - pci_reset_function(dev->pdev); + err = pci_reset_function(dev->pdev); + if (err) { + dev_err(&dev->pdev->dev, + "Adapter reset failed (%d). Please reboot\n", + err); + return err; + } dev->flags &= ~QLCNIC_NEED_FLR; } |