[PATCH] kernel: cpu: Remove unnecessary ‘0’ values from err

[Li kunyu]

The err variable is assigned when it does not need to be defined, as it
has already been assigned before use.

Signed-off-by: Li kunyu <kunyu@xxxxxxxxxxxx>
---
 kernel/cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index c1f331ddf0dc7..bea9cd176449e 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1720,7 +1720,7 @@ static int _cpu_up(unsigned int cpu, int tasks_frozen, enum cpuhp_state target)
 
 static int cpu_up(unsigned int cpu, enum cpuhp_state target)
 {
-	int err = 0;
+	int err;
 
 	if (!cpu_possible(cpu)) {
 		pr_err("can't online cpu %d because it is not configured as may-hotadd at boot time\n",
-- 
2.18.2