[PATCH] microblaze: remove unneeded variable 'err'

[Yang Li]

Fix the following coccicheck warning:
./arch/microblaze/kernel/signal.c:60:14-17: Unneeded variable: "err".
Return "0" on line 78

Reported-by: Abaci Robot <ab...@linux.alibaba.com>
Signed-off-by: Yang Li <yang....@linux.alibaba.com>
---
 arch/microblaze/kernel/signal.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index fc61eb0..c4b7b30 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -57,8 +57,6 @@ struct rt_sigframe {
 static int restore_sigcontext(struct pt_regs *regs,
                                struct sigcontext __user *sc, int *rval_p)
 {
-       unsigned int err = 0;
-
 #define COPY(x)                {err |= __get_user(regs->x, &sc->regs.x); }
        COPY(r0);
        COPY(r1);
@@ -75,7 +73,7 @@ static int restore_sigcontext(struct pt_regs *regs,
 
        *rval_p = regs->r3;
 
-       return err;
+       return 0;
 }
 
 asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
-- 
1.8.3.1