bnxt_en: Fix for system hang if request_irq fails
authorVikas Gupta <vikas.gupta@broadcom.com>
Mon, 9 Jul 2018 06:24:52 +0000 (02:24 -0400)
committerDavid S. Miller <davem@davemloft.net>
Mon, 9 Jul 2018 23:27:14 +0000 (16:27 -0700)
Fix bug in the error code path when bnxt_request_irq() returns failure.
bnxt_disable_napi() should not be called in this error path because
NAPI has not been enabled yet.

Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/bnxt/bnxt.c

index 11b21ad0a6727243408d998b457cead95edca485..4394c1162be4fde931aa822d69a008b89f54efb8 100644 (file)
@@ -6890,7 +6890,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
                rc = bnxt_request_irq(bp);
                if (rc) {
                        netdev_err(bp->dev, "bnxt_request_irq err: %x\n", rc);
-                       goto open_err;
+                       goto open_err_irq;
                }
        }
 
@@ -6930,6 +6930,8 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
 open_err:
        bnxt_debug_dev_exit(bp);
        bnxt_disable_napi(bp);
+
+open_err_irq:
        bnxt_del_napi(bp);
 
 open_err_free_mem: