[dpdk-dev] [PATCH 02/13] net/bnxt: fix double increment of idx during Tx ring alloc

Ajit Khaparde ajit.khaparde at broadcom.com
Mon Jan 8 21:24:26 CET 2018


We are incrementing idx twice while allocating Tx rings.
Since this is passed to the firmware, it may cause unexpected behavior.

Fixes: daef48efe5e5 ("net/bnxt: support set MTU")
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
 drivers/net/bnxt/bnxt_ring.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c
index 0fa2f0c0d..e0ca0e7f3 100644
--- a/drivers/net/bnxt/bnxt_ring.c
+++ b/drivers/net/bnxt/bnxt_ring.c
@@ -362,9 +362,6 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp)
 		struct bnxt_ring *ring = txr->tx_ring_struct;
 		unsigned int idx = i + 1 + bp->rx_cp_nr_rings;
 
-		/* Account for AGG Rings. AGG ring cnt = Rx Cmpl ring cnt */
-		idx += bp->rx_cp_nr_rings;
-
 		/* Tx cmpl */
 		rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
 					HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
-- 
2.14.3 (Apple Git-98)



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