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: 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>

diff --git a/arch/nios2/kernel/ptrace.c b/arch/nios2/kernel/ptrace.c
index cd62f310778b9846d44511663bf181fe4de709c5..9221c15972e684283a6cd94b00eacf499c6112f5 100644 (file)
--- a/arch/nios2/kernel/ptrace.c
+++ b/arch/nios2/kernel/ptrace.c
@@ -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)   \
@@ -80,8 +80,8 @@ 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,
-                                        PTR_STATUS * 4, -1);
+               user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+                                         PTR_STATUS * 4, -1);
 
        return ret;
 }