linux-kernel - [PATCH 02/13] ptrace/arm: Rename tracehook_report_syscall report

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Date:   Wed,  9 Mar 2022 10:24:43 -0600
From:   "Eric W. Biederman" <ebiederm@...ssion.com>
To:     linux-kernel@...r.kernel.org
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Alexey Gladkov <legion@...nel.org>,
        Kyle Huey <me@...ehuey.com>, Oleg Nesterov <oleg@...hat.com>,
        Kees Cook <keescook@...omium.org>,
        Al Viro <viro@...IV.linux.org.uk>,
        Jens Axboe <axboe@...nel.dk>,
        "Eric W. Biederman" <ebiederm@...ssion.com>
Subject: [PATCH 02/13] ptrace/arm: Rename tracehook_report_syscall report_syscall

Make the arm and arm64 code more concise and less confusing by
renaming the architecture specific tracehook_report_syscall to
report_syscall.

Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
---
 arch/arm/kernel/ptrace.c   | 7 +++----
 arch/arm64/kernel/ptrace.c | 7 +++----
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 43b963ea4a0e..e5aa3237853d 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -831,8 +831,7 @@ enum ptrace_syscall_dir {
 	PTRACE_SYSCALL_EXIT,
 };
 
-static void tracehook_report_syscall(struct pt_regs *regs,
-				    enum ptrace_syscall_dir dir)
+static void report_syscall(struct pt_regs *regs, enum ptrace_syscall_dir dir)
 {
 	unsigned long ip;
 
@@ -856,7 +855,7 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
 	int scno;
 
 	if (test_thread_flag(TIF_SYSCALL_TRACE))
-		tracehook_report_syscall(regs, PTRACE_SYSCALL_ENTER);
+		report_syscall(regs, PTRACE_SYSCALL_ENTER);
 
 	/* Do seccomp after ptrace; syscall may have changed. */
 #ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER
@@ -897,5 +896,5 @@ asmlinkage void syscall_trace_exit(struct pt_regs *regs)
 		trace_sys_exit(regs, regs_return_value(regs));
 
 	if (test_thread_flag(TIF_SYSCALL_TRACE))
-		tracehook_report_syscall(regs, PTRACE_SYSCALL_EXIT);
+		report_syscall(regs, PTRACE_SYSCALL_EXIT);
 }
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 39dbdfdc38d3..b7845575f86f 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -1792,8 +1792,7 @@ enum ptrace_syscall_dir {
 	PTRACE_SYSCALL_EXIT,
 };
 
-static void tracehook_report_syscall(struct pt_regs *regs,
-				     enum ptrace_syscall_dir dir)
+static void report_syscall(struct pt_regs *regs, enum ptrace_syscall_dir dir)
 {
 	int regno;
 	unsigned long saved_reg;
@@ -1842,7 +1841,7 @@ int syscall_trace_enter(struct pt_regs *regs)
 	unsigned long flags = read_thread_flags();
 
 	if (flags & (_TIF_SYSCALL_EMU | _TIF_SYSCALL_TRACE)) {
-		tracehook_report_syscall(regs, PTRACE_SYSCALL_ENTER);
+		report_syscall(regs, PTRACE_SYSCALL_ENTER);
 		if (flags & _TIF_SYSCALL_EMU)
 			return NO_SYSCALL;
 	}
@@ -1870,7 +1869,7 @@ void syscall_trace_exit(struct pt_regs *regs)
 		trace_sys_exit(regs, syscall_get_return_value(current, regs));
 
 	if (flags & (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP))
-		tracehook_report_syscall(regs, PTRACE_SYSCALL_EXIT);
+		report_syscall(regs, PTRACE_SYSCALL_EXIT);
 
 	rseq_syscall(regs);
 }
-- 
2.29.2