[PATCH v3 08/18] net/bnxt: refactor Rx doorbell during Rx flush

[Ajit Khaparde]

Ring the Rx doorbell during the Rx ring flush processing only if
there is a valid completion.

Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
Reviewed-by: Damodharam Ammepalli <damodharam.ammepa...@broadcom.com>
---
 drivers/net/bnxt/bnxt_rxr.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index c5c9f9e6e6..d0706874a6 100644
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -1713,10 +1713,11 @@ int bnxt_flush_rx_cmp(struct bnxt_cp_ring_info *cpr)
                nb_rx++;
        } while (nb_rx < ring_mask);
 
-       cpr->cp_raw_cons = raw_cons;
-
-       /* Ring the completion queue doorbell. */
-       bnxt_db_cq(cpr);
+       if (nb_rx) {
+               cpr->cp_raw_cons = raw_cons;
+               /* Ring the completion queue doorbell. */
+               bnxt_db_cq(cpr);
+       }
 
        return 0;
 }
-- 
2.39.2 (Apple Git-143)

smime.p7s
Description: S/MIME Cryptographic Signature