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| author |   Yunfeng Ye <yeyunfeng@huawei.com> | 2019-09-29 12:44:17 +0800 |
|---|---|---|
| committer |   Will Deacon <will@kernel.org> | 2019-10-08 13:34:04 +0100 |
| commit | 3e7c93bd04edfb0cae7dad1215544c9350254b8f (patch) | |
| tree | 667791d9c4ec56b544a6ebd4dc57d8c4537b8755 /arch | |
| parent | arm64: Kconfig: Make CONFIG_COMPAT_VDSO a proper Kconfig option (diff) | |
| download | wireguard-linux-3e7c93bd04edfb0cae7dad1215544c9350254b8f.tar.xz wireguard-linux-3e7c93bd04edfb0cae7dad1215544c9350254b8f.zip | |
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 <yeyunfeng@huawei.com>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kernel/armv8_deprecated.c | 5 |
1 files changed, 5 insertions, 0 deletions
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) { |