[PATCH] remove unneeded SI_TIMER checks

This patch removes checks for ->si_code == SI_TIMER from send_signal,
specific_send_sig_info, __group_send_sig_info.

I think posix-timers.c used these functions some time ago, now it sends
signals via send_{,group_}sigqueue, so these hooks are unneeded.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 18 deletions

diff --git a/kernel/signal.c b/kernel/signal.c
index 27533b90c347..1d8f84c5c6ee 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -830,12 +830,6 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t,
                  * and sent by user using something other than kill().
                  */
                         return -EAGAIN;
-                if (info->si_code == SI_TIMER)
-                        /*
-                         * Set up a return to indicate that we dropped 
-                         * the signal.
-                         */
-                        ret = info->si_sys_private;
         }
 
 out_set:
@@ -856,12 +850,6 @@ specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t)
                 BUG();
         assert_spin_locked(&t->sighand->siglock);
 
-        if (!is_si_special(info) && (info->si_code == SI_TIMER))
-                /*
-                 * Set up a return to indicate that we dropped the signal.
-                 */
-                ret = info->si_sys_private;
-
         /* Short-circuit ignored signals.  */
         if (sig_ignored(t, sig))
                 goto out;
@@ -1048,12 +1036,6 @@ __group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
         assert_spin_locked(&p->sighand->siglock);
         handle_stop_signal(sig, p);
 
-        if (!is_si_special(info) && (info->si_code == SI_TIMER))
-                /*
-                 * Set up a return to indicate that we dropped the signal.
-                 */
-                ret = info->si_sys_private;
-
         /* Short-circuit ignored signals.  */
         if (sig_ignored(p, sig))
                 return ret;