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signal: use kill_proc_info instead of kill_pid_info in kill_something_info

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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@huawei.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/80236965-f0b5-c888-95ff-855bdec75bb3@huawei.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Zhiqiang Liu 2020-03-30 10:44:43 +08:00 committed by Christian Brauner
parent eaec2b0bd3
commit 3075afdf15
1 changed files with 2 additions and 6 deletions
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8
kernel/signal.c
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@ -1557,12 +1557,8 @@ 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)