From: Yunfeng Ye <yeyunfeng@huawei.com>
Date: Sun, 29 Sep 2019 12:44:17 +0800
Subject: arm64: armv8_deprecated: Checking return value for memory allocation
Git-commit: 3e7c93bd04edfb0cae7dad1215544c9350254b8f
Patch-mainline: 5.4-rc3
References: bnc#1151927 5.3.9
There are no return value checking when using kzalloc() and kcalloc() for
memory allocation. so add it.
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
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 2ec09debc2bb..ca158be21f83 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) {
--
2.24.0