[PATCH 4/4] Get rid of the kill_pgrp_info() function

[Pavel Emelyanov]

There's only one caller left - the kill_pgrp one - so merge
these two functions and forget the kill_pgrp_info one.

Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxx>
Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>

--

 include/linux/sched.h |    1 -
 kernel/signal.c       |   19 +++++++------------
 2 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 198659b..538f14a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1680,7 +1680,6 @@ extern int send_sig_info(int, struct siginfo *, struct task_struct *);
 extern int force_sigsegv(int, struct task_struct *);
 extern int force_sig_info(int, struct siginfo *, struct task_struct *);
 extern int __kill_pgrp_info(int sig, struct siginfo *info, struct pid *pgrp);
-extern int kill_pgrp_info(int sig, struct siginfo *info, struct pid *pgrp);
 extern int kill_pid_info(int sig, struct siginfo *info, struct pid *pid);
 extern int kill_pid_info_as_uid(int, struct siginfo *, struct pid *, uid_t, uid_t, u32);
 extern int kill_pgrp(struct pid *pid, int sig, int priv);
diff --git a/kernel/signal.c b/kernel/signal.c
index ae9f6ba..a469873 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1036,17 +1036,6 @@ int __kill_pgrp_info(int sig, struct siginfo *info, struct pid *pgrp)
 	return success ? 0 : retval;
 }
 
-int kill_pgrp_info(int sig, struct siginfo *info, struct pid *pgrp)
-{
-	int retval;
-
-	read_lock(&tasklist_lock);
-	retval = __kill_pgrp_info(sig, info, pgrp);
-	read_unlock(&tasklist_lock);
-
-	return retval;
-}
-
 int kill_pid_info(int sig, struct siginfo *info, struct pid *pid)
 {
 	int error = -ESRCH;
@@ -1235,7 +1224,13 @@ force_sigsegv(int sig, struct task_struct *p)
 
 int kill_pgrp(struct pid *pid, int sig, int priv)
 {
-	return kill_pgrp_info(sig, __si_special(priv), pid);
+	int ret;
+
+	read_lock(&tasklist_lock);
+	ret = __kill_pgrp_info(sig, __si_special(priv), pid);
+	read_unlock(&tasklist_lock);
+
+	return ret;
 }
 EXPORT_SYMBOL(kill_pgrp);
 
-- 
1.5.3.4

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