arm64: armv8_deprecated: Checking return value for memory allocation

There are no return value checking when using kzalloc() and kcalloc() for memory allocation. so add it. Signed-off-by: Yunfeng Ye <[email protected]> Signed-off-by: Will Deacon <[email protected]>
mrcsosa · Oct 8, 2019 · 3e7c93b · 3e7c93b
1 parent 7c4791c
commit 3e7c93b
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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) {