The 'syscall' argument in 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: Jinjie Ruan <[email protected]> --- include/linux/entry-common.h | 4 ++-- kernel/entry/syscall-common.c | 5 ++--- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index 87efb38b7081..e4a8287af822 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -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; } diff --git a/kernel/entry/syscall-common.c b/kernel/entry/syscall-common.c index 940a597ded40..e6237b536d8b 100644 --- a/kernel/entry/syscall-common.c +++ b/kernel/entry/syscall-common.c @@ -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 -- 2.34.1
