diff mbox series

ARM/mvebu: Fix possible null dereference in armada_375_380_coherency_init

Message ID 20211115105154.26714-1-linmq006@gmail.com (mailing list archive)
State New, archived
Headers show
Series ARM/mvebu: Fix possible null dereference in armada_375_380_coherency_init | expand

Commit Message

Miaoqian Lin Nov. 15, 2021, 10:51 a.m. UTC 
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 mbox series

Patch

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);
 	}