bnx2: Close device if MTU change or ring size change fails.

When unable to allocate memory for new MTU or new ring size, we need
to close the device to prevent it from crashing.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 9cfd46017e4e..1d502e6f6c9c 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6992,9 +6992,14 @@ bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
                 int rc;
 
                 rc = bnx2_alloc_mem(bp);
-                if (rc)
+                if (!rc)
+                        rc = bnx2_init_nic(bp, 0);
+
+                if (rc) {
+                        bnx2_napi_enable(bp);
+                        dev_close(bp->dev);
                         return rc;
-                bnx2_init_nic(bp, 0);
+                }
                 bnx2_netif_start(bp);
         }
         return 0;