Commit fe543b2f authored by Kangjie Lu's avatar Kangjie Lu Committed by David S. Miller
Browse files

net: liquidio: fix a NULL pointer dereference 



In case octeon_alloc_soft_command fails, the fix reports the
error and returns to avoid NULL pointer dereference.

Signed-off-by: default avatarKangjie Lu <kjlu@umn.edu>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a623a7a1

drivers/net/ethernet/cavium/liquidio/lio_main.c

+5 −0
Original line number Diff line number Diff line
@@ -1192,6 +1192,11 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop) 
	sc = (struct octeon_soft_command *)

		octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE,

					  16, 0);

	if (!sc) {

		netif_info(lio, rx_err, lio->netdev,

			   "Failed to allocate octeon_soft_command\n");

		return;

	}



	ncmd = (union octnet_cmd *)sc->virtdptr;