Messages in this thread Patch in this message | | | From | yuuoniy <> | Subject | [PATCH] ARM/mvebu: Fix possible null dereference in armada_375_380_coherency_init | Date | Mon, 15 Nov 2021 10:51:54 +0000 |
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Prevent potential when access p->name after unsuccessful allocation. Signed-off-by: yuuoniy <linmq006@gmail.com> --- 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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