diff options
| author | Sergey Shtylyov <s.shtylyov@omp.ru> | 2022-10-15 00:22:35 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-15 14:30:41 -0800 |
| commit | 597d77d29c5cc50b52bbbbd48c49a0237481a9df (patch) | |
| tree | 73b30bbbfe66715ebb5247fdf0fff9e89ea431d8 | |
| parent | 37f653033ac2f7465177492453dcefa91dbffc3a (diff) | |
| download | lwn-597d77d29c5cc50b52bbbbd48c49a0237481a9df.tar.gz lwn-597d77d29c5cc50b52bbbbd48c49a0237481a9df.zip | |
regset: make user_regset_copyin_ignore() *void*
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@omp.ru
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Cc: Brian Cain <bcain@quicinc.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: David S. Miller <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.osdn.me>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/regset.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/include/linux/regset.h b/include/linux/regset.h index a00765f0e8cf..9061266dd8de 100644 --- a/include/linux/regset.h +++ b/include/linux/regset.h @@ -275,15 +275,15 @@ static inline int user_regset_copyin(unsigned int *pos, unsigned int *count, 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_ignore(unsigned int *pos, *pos += copy; *count -= copy; } - return 0; } extern int regset_get(struct task_struct *target, |