Commit 03150a9f authored by Jinjie Ruan's avatar Jinjie Ruan Committed by Thomas Gleixner
Browse files

entry: Remove unused syscall argument from syscall_trace_enter() 



The 'syscall' argument of syscall_trace_enter() is immediately overwritten
before any real use and serves only as a local variable, so drop the
parameter.

No functional change intended.

Signed-off-by: default avatarJinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: default avatarThomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260128031934.3906955-2-ruanjinjie@huawei.com
parent 8f0b4cce

include/linux/entry-common.h

+2 −2
Original line number Diff line number Diff line
@@ -45,7 +45,7 @@ 
				 SYSCALL_WORK_SYSCALL_EXIT_TRAP	|	\

				 ARCH_SYSCALL_WORK_EXIT)



long syscall_trace_enter(struct pt_regs *regs, long syscall, unsigned long work);

long syscall_trace_enter(struct pt_regs *regs, unsigned long work);



/**

 * syscall_enter_from_user_mode_work - Check and handle work before invoking
@@ -75,7 +75,7 @@ static __always_inline long syscall_enter_from_user_mode_work(struct pt_regs *re 
	unsigned long work = READ_ONCE(current_thread_info()->syscall_work);



	if (work & SYSCALL_WORK_ENTER)

		syscall = syscall_trace_enter(regs, syscall, work);

		syscall = syscall_trace_enter(regs, work);



	return syscall;

}

kernel/entry/syscall-common.c

+2 −3
Original line number Diff line number Diff line
@@ -17,10 +17,9 @@ static inline void syscall_enter_audit(struct pt_regs *regs, long syscall) 
	}

}



long syscall_trace_enter(struct pt_regs *regs, long syscall,

				unsigned long work)

long syscall_trace_enter(struct pt_regs *regs, unsigned long work)

{

	long ret = 0;

	long syscall, ret = 0;



	/*

	 * Handle Syscall User Dispatch.  This must comes first, since