Thread (1 message) 1 message, 1 author, 2013-03-13

Re: [PATCH] ssb: pci: Fix flipping of MAC address

From: Larry Finger <hidden>
Date: 2013-03-13 19:14:25
Also in: linux-wireless

On 03/13/2013 01:18 PM, John W. Linville wrote:
On Mon, Mar 11, 2013 at 03:38:26PM -0500, Larry Finger wrote:
quoted
Since commit e565275 entitled "ssb: pci: Standardize a function to get mac
address", the SPROM readout of the MAC has had the values flipped so that
00:11:22:33:44:55 became 11:00:33:22:55:44. The fix has been tested on both
little- and big-endian architectures.

Reported-by: Rafał Miłecki <redacted>
Signed-off-by: Larry Finger <redacted>
---

John,

This bug was introduced in 3.9, and should be fixed there.

Thanks,

Larry
---

Index: wireless-testing-new/drivers/ssb/pci.c
===================================================================
--- wireless-testing-new.orig/drivers/ssb/pci.c
+++ wireless-testing-new/drivers/ssb/pci.c
@@ -234,8 +234,8 @@ static void sprom_get_mac(char *mac, con
  {
  	int i;
  	for (i = 0; i < 3; i++) {
-		*mac++ = in[i];
  		*mac++ = in[i] >> 8;
+		*mac++ = in[i];
  	}
  }
Actually, FWIW it seems to have been introduced in commit
e5652756ff36ed9e1283121f788e6a17117efcab, which is slated for 3.10.
I'm happy to merge it in wireless-next.
After further checking, I agree that it is not in 3.9. As long as the fix is 
merged before 3.10, all will be OK.

Sorry for the confusion.

Larry


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