Commit 83915787 authored by zhouchuangao's avatar zhouchuangao Committed by Catalin Marinas
Browse files

arm64/kernel/probes: Use BUG_ON instead of if condition followed by BUG. 



It can be optimized at compile time.

Signed-off-by: default avatarzhouchuangao <zhouchuangao@vivo.com>
Reviewed-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/1617105472-6081-1-git-send-email-zhouchuangao@vivo.com


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent ef9c5d09

arch/arm64/kernel/probes/kprobes.c

+1 −2
Original line number Diff line number Diff line
@@ -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);