[PATCH] signal: use kill_proc_info instead of kill_pid_info in kill_something_info

From: Zhiqiang Liu
Date: Sun Mar 29 2020 - 22:44:58 EST



signal.c provides kill_proc_info, we can use it instead of kill_pid_info
in kill_something_info func gracefully.

Signed-off-by: Zhiqiang Liu <liuzhiqiang26@xxxxxxxxxx>
---
kernel/signal.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 9ad8dea93dbb..33c70f9f1728 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1552,12 +1552,8 @@ static int kill_something_info(int sig, struct kernel_siginfo *info, pid_t pid)
{
int ret;

- if (pid > 0) {
- rcu_read_lock();
- ret = kill_pid_info(sig, info, find_vpid(pid));
- rcu_read_unlock();
- return ret;
- }
+ if (pid > 0)
+ return kill_proc_info(sig, info, pid);

/* -INT_MIN is undefined. Exclude this case to avoid a UBSAN warning */
if (pid == INT_MIN)
--
2.19.1