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-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0028-sdk_dpaa-avoid-crashing-on-OOM.patch27
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0028-sdk_dpaa-avoid-crashing-on-OOM.patch b/target/linux/layerscape/patches-5.4/701-net-0028-sdk_dpaa-avoid-crashing-on-OOM.patch
new file mode 100644
index 0000000000..3e42322d63
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0028-sdk_dpaa-avoid-crashing-on-OOM.patch
@@ -0,0 +1,27 @@
+From 8254c87e00992f6b14472076f435cba52ad9ff9d Mon Sep 17 00:00:00 2001
+From: Madalin Bucur <madalin.bucur@nxp.com>
+Date: Thu, 31 Aug 2017 17:42:07 +0300
+Subject: [PATCH] sdk_dpaa: avoid crashing on OOM
+
+Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
+---
+ 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);