bnxt_en: Ring free response from close path should use completion ring
authorPrashant Sreedharan <prashant@broadcom.com>
Thu, 28 Jan 2016 08:11:20 +0000 (03:11 -0500)
committerDavid S. Miller <davem@davemloft.net>
Sat, 30 Jan 2016 01:28:39 +0000 (17:28 -0800)
commit74608fc98d2856fa7201a498b61c9dd9455b504a
tree5be7383376927f7afa073d57bf7bd5bd5883ebd0
parentdf3eb6cd68924d5ea16032faecae7fb775f67883
bnxt_en: Ring free response from close path should use completion ring

Use completion ring for ring free response from firmware.  The response
will be the last entry in the ring and we can free the ring after getting
the response.  This will guarantee no spurious DMA to freed memory.

Signed-off-by: Prashant Sreedharan <prashant@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/bnxt/bnxt.c