To iterate through all possible BARs, loop conditions refactored to the
*number* of BARs "i < PCI_STD_NUM_BARS", instead of the index of the last
valid BAR "i <= BAR_5". This is more idiomatic C style and allows to avoid
the fencepost error.

Cc: Jeff Kirsher <[email protected]>
Cc: "David S. Miller" <[email protected]>
Signed-off-by: Denis Efremov <[email protected]>
---
 drivers/net/ethernet/intel/ixgb/ixgb.h      | 1 -
 drivers/net/ethernet/intel/ixgb/ixgb_main.c | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgb/ixgb.h 
b/drivers/net/ethernet/intel/ixgb/ixgb.h
index e85271b68410..681d44cc9784 100644
--- a/drivers/net/ethernet/intel/ixgb/ixgb.h
+++ b/drivers/net/ethernet/intel/ixgb/ixgb.h
@@ -42,7 +42,6 @@
 
 #define BAR_0          0
 #define BAR_1          1
-#define BAR_5          5
 
 struct ixgb_adapter;
 #include "ixgb_hw.h"
diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c 
b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
index e5ac2d3fd816..c5bba18eb32a 100644
--- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c
+++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
@@ -412,7 +412,7 @@ ixgb_probe(struct pci_dev *pdev, const struct pci_device_id 
*ent)
                goto err_ioremap;
        }
 
-       for (i = BAR_1; i <= BAR_5; i++) {
+       for (i = BAR_1; i < PCI_STD_NUM_BARS; i++) {
                if (pci_resource_len(pdev, i) == 0)
                        continue;
                if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
-- 
2.21.0

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