From 8254c87e00992f6b14472076f435cba52ad9ff9d Mon Sep 17 00:00:00 2001 From: Madalin Bucur Date: Thu, 31 Aug 2017 17:42:07 +0300 Subject: [PATCH] sdk_dpaa: avoid crashing on OOM Signed-off-by: Madalin Bucur --- drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c @@ -100,8 +100,12 @@ static int _dpa_bp_add_8_bufs(const stru * an entire cacheline for performance reasons. */ #ifndef CONFIG_PPC - if (unlikely(dpaa_errata_a010022)) - new_buf = page_address(alloc_page(GFP_ATOMIC)); + if (unlikely(dpaa_errata_a010022)) { + struct page *new_page = alloc_page(GFP_ATOMIC); + if (unlikely(!new_page)) + goto netdev_alloc_failed; + new_buf = page_address(new_page); + } else #endif new_buf = netdev_alloc_frag(SMP_CACHE_BYTES + DPA_BP_RAW_SIZE);