The patch titled
Subject: regset: make user_regset_copyin_ignore() *void*
has been added to the -mm mm-nonmm-unstable branch. Its filename is
regset-make-user_regset_copyin_ignore-void.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/regset-make-user_regset_copyin_ignore-void.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Sergey Shtylyov <s.shtylyov@xxxxxx>
Subject: regset: make user_regset_copyin_ignore() *void*
Date: Sat, 15 Oct 2022 00:22:35 +0300
user_regset_copyin_ignore() apparently cannot fail and so always returns 0.
Let's make this function return *void* instead of *int*...
Link: https://lkml.kernel.org/r/20221014212235.10770-14-s.shtylyov@xxxxxx
Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
Cc: Brian Cain <bcain@xxxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Cc: Jonas Bonn <jonas@xxxxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Nicholas Piggin <npiggin@xxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Rich Felker <dalias@xxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Stafford Horne <shorne@xxxxxxxxx>
Cc: Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx>
Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/regset.h | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
--- a/include/linux/regset.h~regset-make-user_regset_copyin_ignore-void
+++ a/include/linux/regset.h
@@ -275,15 +275,15 @@ static inline int user_regset_copyin(uns
return 0;
}
-static inline int user_regset_copyin_ignore(unsigned int *pos,
- unsigned int *count,
- const void **kbuf,
- const void __user **ubuf,
- const int start_pos,
- const int end_pos)
+static inline void user_regset_copyin_ignore(unsigned int *pos,
+ unsigned int *count,
+ const void **kbuf,
+ const void __user **ubuf,
+ const int start_pos,
+ const int end_pos)
{
if (*count == 0)
- return 0;
+ return;
BUG_ON(*pos < start_pos);
if (end_pos < 0 || *pos < end_pos) {
unsigned int copy = (end_pos < 0 ? *count
@@ -295,7 +295,6 @@ static inline int user_regset_copyin_ign
*pos += copy;
*count -= copy;
}
- return 0;
}
extern int regset_get(struct task_struct *target,
_
Patches currently in -mm which might be from s.shtylyov@xxxxxx are
arc-ptrace-user_regset_copyin_ignore-always-returns-0.patch
arm-ptrace-user_regset_copyin_ignore-always-returns-0.patch
arm64-ptrace-user_regset_copyin_ignore-always-returns-0.patch
hexagon-ptrace-user_regset_copyin_ignore-always-returns-0.patch
ia64-ptrace-user_regset_copyin_ignore-always-returns-0.patch
mips-ptrace-user_regset_copyin_ignore-always-returns-0.patch
nios2-ptrace-user_regset_copyin_ignore-always-returns-0.patch
openrisc-ptrace-user_regset_copyin_ignore-always-returns-0.patch
parisc-ptrace-user_regset_copyin_ignore-always-returns-0.patch
powerpc-ptrace-user_regset_copyin_ignore-always-returns-0.patch
sh-ptrace-user_regset_copyin_ignore-always-returns-0.patch
sparc-ptrace-user_regset_copyin_ignore-always-returns-0.patch
regset-make-user_regset_copyin_ignore-void.patch
