[PATCH] ARM/mvebu: Fix possible null dereference in armada_375_380_coherency_init
From: yuuoniy <hidden>
Date: 2021-11-15 10:53:50
Also in:
lkml
Subsystem:
arm port, arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, the rest · Maintainers:
Russell King, Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Linus Torvalds
Prevent potential when access p->name after unsuccessful allocation. Signed-off-by: yuuoniy <redacted> --- arch/arm/mach-mvebu/coherency.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 49e3c8d20c2f..4fdb1fae63c5 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c@@ -194,6 +194,8 @@ static void __init armada_375_380_coherency_init(struct device_node *np) struct property *p; p = kzalloc(sizeof(*p), GFP_KERNEL); + if (!p) + return; p->name = kstrdup("arm,io-coherent", GFP_KERNEL); of_add_property(cache_dn, p); }
--
2.17.1
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