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author | 2022-10-15 00:22:34 +0300 | |
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committer | 2022-11-15 14:30:41 -0800 | |
commit | 37f653033ac2f7465177492453dcefa91dbffc3a (patch) | |
tree | e629465e1fcf489005b4f91b7ea13937962db706 /arch/sparc | |
parent | sh: ptrace: user_regset_copyin_ignore() always returns 0 (diff) | |
download | linux-37f653033ac2f7465177492453dcefa91dbffc3a.tar.gz linux-37f653033ac2f7465177492453dcefa91dbffc3a.tar.bz2 linux-37f653033ac2f7465177492453dcefa91dbffc3a.zip |
sparc: ptrace: user_regset_copyin_ignore() always returns 0
user_regset_copyin_ignore() always returns 0, so checking its result seems
pointless -- don't do this anymore...
Link: https://lkml.kernel.org/r/20221014212235.10770-13-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>
Diffstat (limited to 'arch/sparc')
-rw-r--r-- | arch/sparc/kernel/ptrace_32.c | 9 | ||||
-rw-r--r-- | arch/sparc/kernel/ptrace_64.c | 23 |
2 files changed, 16 insertions, 16 deletions
diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c index e7db48acb838..c273ccebea46 100644 --- a/arch/sparc/kernel/ptrace_32.c +++ b/arch/sparc/kernel/ptrace_32.c @@ -158,8 +158,9 @@ static int genregs32_set(struct task_struct *target, 35 * sizeof(u32), 36 * sizeof(u32)); if (ret || !count) return ret; - return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - 36 * sizeof(u32), 38 * sizeof(u32)); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, 36 * sizeof(u32), + 38 * sizeof(u32)); + return 0; } static int fpregs32_get(struct task_struct *target, @@ -203,8 +204,8 @@ static int fpregs32_set(struct task_struct *target, 33 * sizeof(u32), 34 * sizeof(u32)); if (!ret) - ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - 34 * sizeof(u32), -1); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + 34 * sizeof(u32), -1); return ret; } diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index 86a7eb5c27ba..4deba5b6eddb 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -332,8 +332,8 @@ static int genregs64_set(struct task_struct *target, } if (!ret) - ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - 36 * sizeof(u64), -1); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + 36 * sizeof(u64), -1); return ret; } @@ -406,8 +406,8 @@ static int fpregs64_set(struct task_struct *target, task_thread_info(target)->fpsaved[0] = fprs; if (!ret) - ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - 35 * sizeof(u64), -1); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + 35 * sizeof(u64), -1); return ret; } @@ -473,10 +473,8 @@ static int setregs64_set(struct task_struct *target, 15 * sizeof(u64)); if (ret) return ret; - ret =user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - 15 * sizeof(u64), 16 * sizeof(u64)); - if (ret) - return ret; + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + 15 * sizeof(u64), 16 * sizeof(u64)); /* TSTATE */ ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &tstate, @@ -670,8 +668,9 @@ finish: pos *= sizeof(reg); count *= sizeof(reg); - return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - 38 * sizeof(reg), -1); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + 38 * sizeof(reg), -1); + return 0; } static int fpregs32_get(struct task_struct *target, @@ -737,8 +736,8 @@ static int fpregs32_set(struct task_struct *target, task_thread_info(target)->fpsaved[0] = fprs; if (!ret) - ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - 34 * sizeof(u32), -1); + user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + 34 * sizeof(u32), -1); return ret; } |