From a94cead71c4651da5649134e3cdc29b1f32327a2 Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Mon, 6 Aug 2018 17:50:45 +0100 Subject: net: thunderx: check for failed allocation lmac->dmacs The allocation of lmac->dmacs is not being checked for allocation failure. Add the check. Fixes: 3a34ecfd9d3f ("net: thunderx: add MAC address filter tracking for LMAC") Signed-off-by: Colin Ian King Signed-off-by: David S. Miller --- drivers/net/ethernet/cavium/thunder/thunder_bgx.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/ethernet/cavium/thunder/thunder_bgx.c') diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 5d08d2aeb172..e337da6ba2a4 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -1083,6 +1083,8 @@ static int bgx_lmac_enable(struct bgx *bgx, u8 lmacid) lmac->dmacs_count = (RX_DMAC_COUNT / bgx->lmac_count); lmac->dmacs = kcalloc(lmac->dmacs_count, sizeof(*lmac->dmacs), GFP_KERNEL); + if (!lmac->dmacs) + return -ENOMEM; /* Enable lmac */ bgx_reg_modify(bgx, lmacid, BGX_CMRX_CFG, CMR_EN); -- cgit v1.2.3-59-g8ed1b