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| author | Bjorn Helgaas <bhelgaas@google.com> | 2017-05-19 22:40:50 +0300 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2017-10-12 17:27:10 +0300 |
| commit | bf97987fb94cc7d90154a217a3464d46efb8ee69 (patch) | |
| tree | 277b5b1bc38bf7db8fb7cf00d0721030487b9053 | |
| parent | 1bddbbc4697f96a3b68633621e5c13d9e173f263 (diff) | |
| download | linux-bf97987fb94cc7d90154a217a3464d46efb8ee69.tar.xz | |
PCI: Correct PCI_STD_RESOURCE_END usage
commit 2f686f1d9beee135de6d08caea707ec7bfc916d4 upstream.
PCI_STD_RESOURCE_END is (confusingly) the index of the last valid BAR, not
the *number* of BARs. To iterate through all possible BARs, we need to
include PCI_STD_RESOURCE_END.
Fixes: 9fe373f9997b ("PCI: Increase IBM ipr SAS Crocodile BARs to at least system page size")
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -rw-r--r-- | drivers/pci/quirks.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index ea6123f500d9..9290d239d570 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -358,7 +358,7 @@ static void quirk_extend_bar_to_page(struct pci_dev *dev) { int i; - for (i = 0; i < PCI_STD_RESOURCE_END; i++) { + for (i = 0; i <= PCI_STD_RESOURCE_END; i++) { struct resource *r = &dev->resource[i]; if (r->flags & IORESOURCE_MEM && resource_size(r) < PAGE_SIZE) { |