diff options
| author | Greg Rose <gregory.v.rose@intel.com> | 2010-07-01 13:39:23 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-01 22:45:57 -0700 |
| commit | de42edde131cd09a556f0b90373569d64b92ef99 (patch) | |
| tree | 9b54e6e7fb42a984eab8addf5a8b133730691fd7 /drivers/net | |
| parent | 8d420a1b3ea65357b6eb59e4e742248d2838e904 (diff) | |
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: 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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index d811462ab9b..9cb04e29ad1 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -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; |