AcoSail/kernel_optimize_test
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igb: Add comment

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Add explanatory comment to avoid confusion when a pointer is set
to the second word of an array instead of the customary cast of a
pointer to the beginning of the array.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Greg Rose 2010-07-01 13:39:23 +00:00 committed by David S. Miller
parent 8d420a1b3e
commit de42edde13
1 changed files with 4 additions and 0 deletions
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4
drivers/net/igb/igb_main.c
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@ -4974,6 +4974,10 @@ static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
static int igb_set_vf_mac_addr(struct igb_adapter *adapter, u32 *msg, int vf)
{
/*
* The VF MAC Address is stored in a packed array of bytes
* starting at the second 32 bit word of the msg array
*/
unsigned char *addr = (char *)&msg[1];
int err = -1;