lkml.org 
[lkml]   [2018]   [Aug]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] net: thunderx: check for failed allocation lmac->dmacs
Date
From: Colin Ian King <colin.king@canonical.com>

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 <colin.king@canonical.com>
---
drivers/net/ethernet/cavium/thunder/thunder_bgx.c | 2 ++
1 file changed, 2 insertions(+)

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);
--
2.17.1
\
 
 \ /
  Last update: 2018-08-06 18:52    [W:0.062 / U:1.848 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site