linux-kernel - [PATCH] video: of: display_timing: Remove a redundant zeroing of memory

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Message-Id: <99f22ad1068fbbbc95acea59871cd408cde2623d.1647981212.git.christophe.jaillet@wanadoo.fr>
Date:   Tue, 22 Mar 2022 21:33:38 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Helge Deller <deller@....de>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH] video: of: display_timing: Remove a redundant zeroing of memory

of_parse_display_timing() already call memset(0) on its 2nd argument, so
there is no need to clear it explicitly before calling this function.

Use kmalloc() instead of kzalloc() to save a few cycles.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/video/of_display_timing.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c
index f93b6abbe258..bebd371c6b93 100644
--- a/drivers/video/of_display_timing.c
+++ b/drivers/video/of_display_timing.c
@@ -199,7 +199,7 @@ struct display_timings *of_get_display_timings(const struct device_node *np)
 		struct display_timing *dt;
 		int r;
 
-		dt = kzalloc(sizeof(*dt), GFP_KERNEL);
+		dt = kmalloc(sizeof(*dt), GFP_KERNEL);
 		if (!dt) {
 			pr_err("%pOF: could not allocate display_timing struct\n",
 				np);
-- 
2.32.0