[PATCH 5/8] signal: flatten do_send_sig_info()
From: Christian Brauner
Date: Mon May 28 2018 - 09:51:21 EST
Let's return early when lock_task_sighand() fails and move send_signal()
and unlock_task_sighand() out of the if block.
Signed-off-by: Christian Brauner <christian@xxxxxxxxxx>
---
kernel/signal.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/kernel/signal.c b/kernel/signal.c
index 821b54e3328b..498b464fe862 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1167,16 +1167,16 @@ specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t)
}
int do_send_sig_info(int sig, struct siginfo *info, struct task_struct *p,
- bool group)
+ bool group)
{
unsigned long flags;
int ret = -ESRCH;
- if (lock_task_sighand(p, &flags)) {
- ret = send_signal(sig, info, p, group);
- unlock_task_sighand(p, &flags);
- }
+ if (!lock_task_sighand(p, &flags))
+ return ret;
+ ret = send_signal(sig, info, p, group);
+ unlock_task_sighand(p, &flags);
return ret;
}
--
2.17.0