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mips: ptrace: user_regset_copyin_ignore() always returns 0

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

Link: https://lkml.kernel.org/r/20221014212235.10770-7-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>
This commit is contained in:
Sergey Shtylyov 2022-10-15 00:22:28 +03:00 committed by Andrew Morton
parent d85deed4cb
commit 540e58d200
1 changed files with 5 additions and 4 deletions
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9
arch/mips/kernel/ptrace.c
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@ -531,10 +531,11 @@ static int fpr_set(struct task_struct *target,
ptrace_setfcr31(target, fcr31);
}
if (count > 0)
err = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
fir_pos,
fir_pos + sizeof(u32));
if (count > 0) {
user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
fir_pos, fir_pos + sizeof(u32));
return 0;
}
return err;
}