Commit ae27da72 authored by Sergey Shtylyov's avatar Sergey Shtylyov Committed by Andrew Morton
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nios2: 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/20221014212235.10770-8-s.shtylyov@omp.ru


Signed-off-by: default avatarSergey 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: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 540e58d2

arch/nios2/kernel/ptrace.c

+3 −3
Original line number Diff line number Diff line
@@ -54,7 +54,7 @@ static int genregs_set(struct task_struct *target, 


#define REG_IGNORE_RANGE(START, END)		\

	if (!ret)					\

		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, \

		user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, \

			START * 4, (END * 4) + 4);



#define REG_IN_ONE(PTR, LOC)	\
@@ -80,7 +80,7 @@ static int genregs_set(struct task_struct *target, 
	REG_IN_ONE(&regs->ra, PTR_RA);

	REG_IN_ONE(&regs->ea, PTR_PC); /* use ea for PC */

	if (!ret)

		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,

		user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,

					  PTR_STATUS * 4, -1);



	return ret;