[PATCH] arm64: armv8_deprecated: Checking return value for memory allocation

[Yunfeng Ye]

There are no return value checking when using kzalloc() and kcalloc() for
memory allocation. so add it.

Signed-off-by: Yunfeng Ye <yeyunf...@huawei.com>
---
 arch/arm64/kernel/armv8_deprecated.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/kernel/armv8_deprecated.c 
b/arch/arm64/kernel/armv8_deprecated.c
index 2ec09de..ca158be 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -174,6 +174,9 @@ static void __init register_insn_emulation(struct 
insn_emulation_ops *ops)
        struct insn_emulation *insn;

        insn = kzalloc(sizeof(*insn), GFP_KERNEL);
+       if (!insn)
+               return;
+
        insn->ops = ops;
        insn->min = INSN_UNDEF;

@@ -233,6 +236,8 @@ static void __init register_insn_emulation_sysctl(void)

        insns_sysctl = kcalloc(nr_insn_emulated + 1, sizeof(*sysctl),
                               GFP_KERNEL);
+       if (!insns_sysctl)
+               return;

        raw_spin_lock_irqsave(&insn_emulation_lock, flags);
        list_for_each_entry(insn, &insn_emulation, node) {
-- 
2.7.4