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* [PATCH v1 1/2] efi/fb: Correct PCI_STD_RESOURCE_END usage
@ 2017-05-19 19:58 Bjorn Helgaas
  2017-05-19 19:58 ` [PATCH v1 2/2] PCI: " Bjorn Helgaas
  0 siblings, 1 reply; 3+ messages in thread
From: Bjorn Helgaas @ 2017-05-19 19:58 UTC (permalink / raw)
  To: linux-pci
  Cc: Douglas Lehr, Milton Miller, Anton Blanchard, linux-kernel,
	Ard Biesheuvel

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: 55d728a40d36 ("efi/fb: Avoid reconfiguration of BAR that covers the framebuffer")
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
 drivers/video/fbdev/efifb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index b827a8113e26..ff01bed7112f 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -408,7 +408,7 @@ static void efifb_fixup_resources(struct pci_dev *dev)
 	if (!base)
 		return;
 
-	for (i = 0; i < PCI_STD_RESOURCE_END; i++) {
+	for (i = 0; i <= PCI_STD_RESOURCE_END; i++) {
 		struct resource *res = &dev->resource[i];
 
 		if (!(res->flags & IORESOURCE_MEM))

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2017-05-24 21:43 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2017-05-19 19:58 [PATCH v1 1/2] efi/fb: Correct PCI_STD_RESOURCE_END usage Bjorn Helgaas
2017-05-19 19:58 ` [PATCH v1 2/2] PCI: " Bjorn Helgaas
2017-05-24 21:43   ` Bjorn Helgaas

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