linux-kernel - [PATCH] trace: drop unneeded assignment in ring_buffer

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Date:   Mon, 14 Dec 2020 09:45:03 +0100
From:   Lukas Bulwahn <lukas.bulwahn@...il.com>
To:     Qiujun Huang <hqjagain@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lukas Bulwahn <lukas.bulwahn@...il.com>
Subject: [PATCH] trace: drop unneeded assignment in ring_buffer_resize()

Since commit 0a1754b2a97e ("ring-buffer: Return 0 on success from
ring_buffer_resize()"), computing the size is not needed anymore.

Drop unneeded assignment in ring_buffer_resize().

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
---
 kernel/trace/ring_buffer.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 91db9d032a0c..95ecfb107e3e 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1974,8 +1974,6 @@ int ring_buffer_resize(struct trace_buffer *buffer, unsigned long size,
 	if (nr_pages < 2)
 		nr_pages = 2;
 
-	size = nr_pages * BUF_PAGE_SIZE;
-
 	/* prevent another thread from changing buffer sizes */
 	mutex_lock(&buffer->mutex);
 
-- 
2.17.1