linux-kernel - [PATCH -next 1/2] ipc/mqueue: remove redundant wq task assignment

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Date:   Thu, 21 Mar 2019 12:02:15 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     akpm@...ux-foundation.org
Cc:     manfred@...orfullife.com, dave@...olabs.net,
        linux-kernel@...r.kernel.org, Davidlohr Bueso <dbueso@...e.de>
Subject: [PATCH -next 1/2] ipc/mqueue: remove redundant wq task assignment

We already store the current task fo the new waiter before calling
wq_sleep() in both send and recv paths. Trivially remove the redundant
assignment.

Signed-off-by: Davidlohr Bueso <dbueso@...e.de>
---
 ipc/mqueue.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 127ba1e8950b..be3f599e90ed 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -617,8 +617,6 @@ static void wq_add(struct mqueue_inode_info *info, int sr,
 {
 	struct ext_wait_queue *walk;
 
-	ewp->task = current;
-
 	list_for_each_entry(walk, &info->e_wait_q[sr].list, list) {
 		if (walk->task->prio <= current->prio) {
 			list_add_tail(&ewp->list, &walk->list);
-- 
2.16.4