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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-18 16:55:52 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-18 16:55:52 +0200 |
| commit | 93467b31bec6da512b51544e5e4584f2745e995e (patch) | |
| tree | 2ea2be38c5e4dc9aafffbbc0db5aae0f6513a1d9 /drivers/pci/iov.c | |
| parent | 8ca1f4c6fb1462ee120730ea75c19da10d2f2d6f (diff) | |
| parent | 7a5cef0db4795d9d453a12e0f61b5b7634fc4d40 (diff) | |
Merge v7.1.4linux-rolling-stable
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 91ac4e37ecb9..08df9bace13d 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; |