ixgb: eliminate checkstack warnings
Really trivial fix, use kmalloc/kfree instead of stack space.
use static const instead of const to further reduce stack usage.
V2: reflect changes suggested by Joe Perches
before:
[jbrandeb@jbrandeb-mobl2 linux-2.6]$ make checkstack|grep '\[ixgb\]'
0x00000fc1 ixgb_set_multi [ixgb]: 768
0x00001031 ixgb_set_multi [ixgb]: 768
0x000010f2 ixgb_set_multi [ixgb]: 768
0x061c ixgb_check_options [ixgb]: 448
0x09c3 ixgb_check_options [ixgb]: 448
0x0000649e ixgb_set_ringparam [ixgb]: 192
0x0000130d ixgb_xmit_frame [ixgb]: 184
0x000019e0 ixgb_xmit_frame [ixgb]: 184
0x00002267 ixgb_clean [ixgb]: 152
0x00002673 ixgb_clean [ixgb]: 152
after:
0x000064ee ixgb_set_ringparam [ixgb]: 192
0x0000135d ixgb_xmit_frame [ixgb]: 184
0x00001a30 ixgb_xmit_frame [ixgb]: 184
0x000022b7 ixgb_clean [ixgb]: 152
0x000026c3 ixgb_clean [ixgb]: 152
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_hw.h b/drivers/net/ethernet/intel/ixgb/ixgb_hw.h
index 873d32b..2a99a35 100644
--- a/drivers/net/ethernet/intel/ixgb/ixgb_hw.h
+++ b/drivers/net/ethernet/intel/ixgb/ixgb_hw.h
@@ -97,8 +97,6 @@
ixgb_bus_width_64
} ixgb_bus_width;
-#define IXGB_ETH_LENGTH_OF_ADDRESS 6
-
#define IXGB_EEPROM_SIZE 64 /* Size in words */
#define SPEED_10000 10000
@@ -674,7 +672,7 @@
u32 max_frame_size; /* Maximum frame size supported */
u32 mc_filter_type; /* Multicast filter hash type */
u32 num_mc_addrs; /* Number of current Multicast addrs */
- u8 curr_mac_addr[IXGB_ETH_LENGTH_OF_ADDRESS]; /* Individual address currently programmed in MAC */
+ u8 curr_mac_addr[ETH_ALEN]; /* Individual address currently programmed in MAC */
u32 num_tx_desc; /* Number of Transmit descriptors */
u32 num_rx_desc; /* Number of Receive descriptors */
u32 rx_buffer_size; /* Size of Receive buffer */