[PATCH 10/13] powerpc: ptrace: user_regset_copyin_ignore() always returns 0

From: Sergey Shtylyov
Date: Fri Oct 14 2022 - 17:24:27 EST


user_regset_copyin_ignore() always returns 0, so checking its result seems
pointless -- don't do this anymore...

Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
---
arch/powerpc/kernel/ptrace/ptrace-tm.c | 10 +++++-----
arch/powerpc/kernel/ptrace/ptrace-view.c | 10 +++++-----
2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/powerpc/kernel/ptrace/ptrace-tm.c b/arch/powerpc/kernel/ptrace/ptrace-tm.c
index 44045363a903..210ea834e603 100644
--- a/arch/powerpc/kernel/ptrace/ptrace-tm.c
+++ b/arch/powerpc/kernel/ptrace/ptrace-tm.c
@@ -170,9 +170,9 @@ int tm_cgpr_set(struct task_struct *target, const struct user_regset *regset,
(PT_MAX_PUT_REG + 1) * sizeof(reg));

if (PT_MAX_PUT_REG + 1 < PT_TRAP && !ret)
- ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
- (PT_MAX_PUT_REG + 1) * sizeof(reg),
- PT_TRAP * sizeof(reg));
+ user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+ (PT_MAX_PUT_REG + 1) * sizeof(reg),
+ PT_TRAP * sizeof(reg));

if (!ret && count > 0) {
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &reg,
@@ -183,8 +183,8 @@ int tm_cgpr_set(struct task_struct *target, const struct user_regset *regset,
}

if (!ret)
- ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
- (PT_TRAP + 1) * sizeof(reg), -1);
+ user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+ (PT_TRAP + 1) * sizeof(reg), -1);

return ret;
}
diff --git a/arch/powerpc/kernel/ptrace/ptrace-view.c b/arch/powerpc/kernel/ptrace/ptrace-view.c
index 076d867412c7..ca0bf8da48fd 100644
--- a/arch/powerpc/kernel/ptrace/ptrace-view.c
+++ b/arch/powerpc/kernel/ptrace/ptrace-view.c
@@ -267,9 +267,9 @@ static int gpr_set(struct task_struct *target, const struct user_regset *regset,
(PT_MAX_PUT_REG + 1) * sizeof(reg));

if (PT_MAX_PUT_REG + 1 < PT_TRAP && !ret)
- ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
- (PT_MAX_PUT_REG + 1) * sizeof(reg),
- PT_TRAP * sizeof(reg));
+ user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+ (PT_MAX_PUT_REG + 1) * sizeof(reg),
+ PT_TRAP * sizeof(reg));

if (!ret && count > 0) {
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &reg,
@@ -280,8 +280,8 @@ static int gpr_set(struct task_struct *target, const struct user_regset *regset,
}

if (!ret)
- ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
- (PT_TRAP + 1) * sizeof(reg), -1);
+ user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+ (PT_TRAP + 1) * sizeof(reg), -1);

return ret;
}
--
2.26.3