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28 lines
1006 B
Diff
28 lines
1006 B
Diff
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From 8254c87e00992f6b14472076f435cba52ad9ff9d Mon Sep 17 00:00:00 2001
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From: Madalin Bucur <madalin.bucur@nxp.com>
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Date: Thu, 31 Aug 2017 17:42:07 +0300
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Subject: [PATCH] sdk_dpaa: avoid crashing on OOM
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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
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---
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drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c
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+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c
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@@ -100,8 +100,12 @@ static int _dpa_bp_add_8_bufs(const stru
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* an entire cacheline for performance reasons.
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*/
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#ifndef CONFIG_PPC
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- if (unlikely(dpaa_errata_a010022))
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- new_buf = page_address(alloc_page(GFP_ATOMIC));
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+ if (unlikely(dpaa_errata_a010022)) {
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+ struct page *new_page = alloc_page(GFP_ATOMIC);
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+ if (unlikely(!new_page))
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+ goto netdev_alloc_failed;
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+ new_buf = page_address(new_page);
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+ }
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else
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#endif
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new_buf = netdev_alloc_frag(SMP_CACHE_BYTES + DPA_BP_RAW_SIZE);
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