net/bnx2x: fix reset of scan FP flag

The fastpath task queue handler resets the fastpath scan flag
unconditionally, this patch changes that to reset the flag
only if it was set.

Fixes: 08a6e472c3d7 ("net/bnx2x: fix packet drop")
Cc: stable@dpdk.org
Signed-off-by: Rasesh Mody <rmody@marvell.com>

diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
index ed31335..50e289b 100644 (file)
--- a/drivers/net/bnx2x/bnx2x.c
+++ b/drivers/net/bnx2x/bnx2x.c
@@ -4577,10 +4577,10 @@ static void bnx2x_handle_fp_tq(struct bnx2x_fastpath *fp)
                        bnx2x_handle_fp_tq(fp);
                        return;
                }
+               /* We have completed slow path completion, clear the flag */
+               rte_atomic32_set(&sc->scan_fp, 0);
        }
 
-       /* Assuming we have completed slow path completion, clear the flag */
-       rte_atomic32_set(&sc->scan_fp, 0);
        bnx2x_ack_sb(sc, fp->igu_sb_id, USTORM_ID,
                   le16toh(fp->fp_hc_idx), IGU_INT_ENABLE, 1);
 }