ar71xx/ag71xx_ar7240_get_port_link: fix off-by-one check on argument `port`

[openwrt/staging/dedeckeh.git] / target / linux / ar71xx / files / drivers / net / ethernet / atheros / ag71xx / ag71xx_ar7240.c

diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
index 8dfff3b6eb837ece11158b03085ca99d44ba794f..e457acb50cf03e2ece5584843d6ce437da8bb8cb 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
@@ -1,7 +1,7 @@
 /*
  *  Driver for the built-in ethernet switch of the Atheros AR7240 SoC
  *  Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
- *  Copyright (c) 2010 Felix Fietkau <nbd@openwrt.org>
+ *  Copyright (c) 2010 Felix Fietkau <nbd@nbd.name>
  *
  *  This program is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License version 2 as published
@@ -963,7 +963,7 @@ ar7240_get_port_link(struct switch_dev *dev, int port,
        struct mii_bus *mii = as->mii_bus;
        u32 status;
 
-       if (port > AR7240_NUM_PORTS)
+       if (port >= AR7240_NUM_PORTS)
                return -EINVAL;
 
        status = ar7240sw_reg_read(mii, AR7240_REG_PORT_STATUS(port));
@@ -1000,7 +1000,7 @@ ar7240_get_port_stats(struct switch_dev *dev, int port,
 {
        struct ar7240sw *as = sw_to_ar7240(dev);
 
-       if (port > AR7240_NUM_PORTS)
+       if (port >= AR7240_NUM_PORTS)
                return -EINVAL;
 
        ar7240sw_capture_stats(as);