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net: thunderx: check for failed allocation lmac->dmacs

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The allocation of lmac->dmacs is not being checked for allocation
failure. Add the check.

Fixes: 3a34ecfd9d ("net: thunderx: add MAC address filter tracking for LMAC")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Colin Ian King
2018-08-06 17:50:45 +01:00
committed by David S. Miller
parent adfb442dbb
commit a94cead71c
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/cavium/thunder/thunder_bgx.c
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@@ -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_count = (RX_DMAC_COUNT / bgx->lmac_count);
lmac->dmacs = kcalloc(lmac->dmacs_count, sizeof(*lmac->dmacs), lmac->dmacs = kcalloc(lmac->dmacs_count, sizeof(*lmac->dmacs),
GFP_KERNEL); GFP_KERNEL);
if (!lmac->dmacs)
return -ENOMEM;
/* Enable lmac */ /* Enable lmac */
bgx_reg_modify(bgx, lmacid, BGX_CMRX_CFG, CMR_EN); bgx_reg_modify(bgx, lmacid, BGX_CMRX_CFG, CMR_EN);