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Commit 74608fc9 authored by Prashant Sreedharan's avatar Prashant Sreedharan Committed by David S. Miller
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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: default avatarPrashant Sreedharan <prashant@broadcom.com>
Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent df3eb6cd

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+1 −1
Original line number Diff line number Diff line
@@ -3406,7 +3406,7 @@ static int hwrm_ring_free_send_msg(struct bnxt *bp, 
	struct hwrm_ring_free_output *resp = bp->hwrm_cmd_resp_addr;

	u16 error_code;



	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_FREE, -1, -1);

	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_FREE, cmpl_ring_id, -1);

	req.ring_type = ring_type;

	req.ring_id = cpu_to_le16(ring->fw_ring_id);