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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-18 16:53:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-18 16:53:38 +0200 |
| commit | 5895db67c12464003afd16c08049b73aa09e58ea (patch) | |
| tree | c3855a7ab889dffc2a02460f65abbbe6b800b6e6 /drivers/pci/iov.c | |
| parent | 1c5f3df9481bb6275aeb079a8312d037da69715b (diff) | |
| parent | f89c296854b755a66657065c35b05406fc18264d (diff) | |
Merge v6.18.39linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci/iov.c')
| -rw-r--r-- | drivers/pci/iov.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index c6dc1b44bf60..8bda4e202f56 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -938,12 +938,18 @@ static void sriov_restore_vf_rebar_state(struct pci_dev *dev) return; pci_read_config_dword(dev, pos + PCI_VF_REBAR_CTRL, &ctrl); + if (PCI_POSSIBLE_ERROR(ctrl)) + return; + nbars = FIELD_GET(PCI_VF_REBAR_CTRL_NBAR_MASK, ctrl); for (i = 0; i < nbars; i++, pos += 8) { int bar_idx, size; pci_read_config_dword(dev, pos + PCI_VF_REBAR_CTRL, &ctrl); + if (PCI_POSSIBLE_ERROR(ctrl)) + return; + bar_idx = FIELD_GET(PCI_VF_REBAR_CTRL_BAR_IDX, ctrl); size = pci_rebar_bytes_to_size(dev->sriov->barsz[bar_idx]); ctrl &= ~PCI_VF_REBAR_CTRL_BAR_SIZE; |