Commit de42edde authored by Greg Rose's avatar Greg Rose Committed by David S. Miller

igb: Add comment

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: default avatarGreg Rose <gregory.v.rose@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8d420a1b
...@@ -4974,6 +4974,10 @@ static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) ...@@ -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) 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]; unsigned char *addr = (char *)&msg[1];
int err = -1; int err = -1;
......
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