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Commit 3e7c93bd authored by Yunfeng Ye's avatar Yunfeng Ye Committed by Will Deacon
Browse files

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: default avatarYunfeng Ye <yeyunfeng@huawei.com>
Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 7c4791c9

arch/arm64/kernel/armv8_deprecated.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -174,6 +174,9 @@ static void __init register_insn_emulation(struct insn_emulation_ops *ops) 
	struct insn_emulation *insn;

	struct insn_emulation *insn;





	insn = kzalloc(sizeof(*insn), GFP_KERNEL);

	insn = kzalloc(sizeof(*insn), GFP_KERNEL);

	if (!insn)

		return;



	insn->ops = ops;

	insn->ops = ops;

	insn->min = INSN_UNDEF;

	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),

	insns_sysctl = kcalloc(nr_insn_emulated + 1, sizeof(*sysctl),

			       GFP_KERNEL);

			       GFP_KERNEL);

	if (!insns_sysctl)

		return;





	raw_spin_lock_irqsave(&insn_emulation_lock, flags);

	raw_spin_lock_irqsave(&insn_emulation_lock, flags);

	list_for_each_entry(insn, &insn_emulation, node) {

	list_for_each_entry(insn, &insn_emulation, node) {