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authorzhouchuangao <zhouchuangao@vivo.com>2021-03-30 13:57:50 +0200
committerCatalin Marinas <catalin.marinas@arm.com>2021-04-13 18:52:40 +0200
commit839157876f97fcc7ead0b62c9377bb50f75a3df9 (patch)
treea868fbe8113d9eb9f36ac25a44347f2d663b955a /arch/arm64/kernel/probes
parentarm64/sve: Remove redundant system_supports_sve() tests (diff)
downloadlinux-839157876f97fcc7ead0b62c9377bb50f75a3df9.tar.xz
linux-839157876f97fcc7ead0b62c9377bb50f75a3df9.zip
arm64/kernel/probes: Use BUG_ON instead of if condition followed by BUG.
It can be optimized at compile time. Signed-off-by: zhouchuangao <zhouchuangao@vivo.com> Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Link: https://lore.kernel.org/r/1617105472-6081-1-git-send-email-zhouchuangao@vivo.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/probes')
-rw-r--r--arch/arm64/kernel/probes/kprobes.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c
index 66aac2881ba8..ecf0f613327f 100644
--- a/arch/arm64/kernel/probes/kprobes.c
+++ b/arch/arm64/kernel/probes/kprobes.c
@@ -264,8 +264,7 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr)
* normal page fault.
*/
instruction_pointer_set(regs, (unsigned long) cur->addr);
- if (!instruction_pointer(regs))
- BUG();
+ BUG_ON(!instruction_pointer(regs));
if (kcb->kprobe_status == KPROBE_REENTER)
restore_previous_kprobe(kcb);