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ptrace: Remove arch_syscall_{enter,exit}_tracehook

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These functions are alwasy one-to-one wrappers around
ptrace_report_syscall_entry and ptrace_report_syscall_exit.
So directly call the functions they are wrapping instead.

Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lkml.kernel.org/r/20220309162454.123006-4-ebiederm@xmission.com
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2022-01-27 12:00:55 -06:00
parent 153474ba1a
commit 0cfcb2b9ef
2 changed files with 4 additions and 43 deletions
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4
kernel/entry/common.c
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@@ -59,7 +59,7 @@ static long syscall_trace_enter(struct pt_regs *regs, long syscall,
/* Handle ptrace */
if (work & (SYSCALL_WORK_SYSCALL_TRACE | SYSCALL_WORK_SYSCALL_EMU)) {
ret = arch_syscall_enter_tracehook(regs);
ret = ptrace_report_syscall_entry(regs);
if (ret || (work & SYSCALL_WORK_SYSCALL_EMU))
return -1L;
}
@@ -253,7 +253,7 @@ static void syscall_exit_work(struct pt_regs *regs, unsigned long work)
step = report_single_step(work);
if (step || work & SYSCALL_WORK_SYSCALL_TRACE)
arch_syscall_exit_tracehook(regs, step);
ptrace_report_syscall_exit(regs, step);
}
/*