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* [PATCH] drm/bridge: dw-mipi-dsi: Use kmemdup cf. kmalloc+memcpy
@ 2020-09-09 19:02 Alex Dewar
  2020-09-11 12:57 ` Neil Armstrong
  0 siblings, 1 reply; 7+ messages in thread
From: Alex Dewar @ 2020-09-09 19:02 UTC (permalink / raw)
  Cc: Alex Dewar, Andrzej Hajda, Neil Armstrong, Laurent Pinchart,
	Jonas Karlman, Jernej Skrabec, David Airlie, Daniel Vetter,
	Philippe Cornu, Yannick Fertré,
	Antonio Borneo, Heiko Stuebner, Angelo Ribeiro, Markus Elfring,
	dri-devel, linux-kernel

kmemdup can be used instead of kmalloc+memcpy. Replace an occurrence of
this pattern.

Issue identified with Coccinelle.

Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index 52f5c5a2ed64..7e9a62ad56e8 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -1049,12 +1049,10 @@ static void debugfs_create_files(void *data)
 	};
 	int i;
 
-	dsi->debugfs_vpg = kmalloc(sizeof(debugfs), GFP_KERNEL);
+	dsi->debugfs_vpg = kmemdup(debugfs, sizeof(debugfs), GFP_KERNEL);
 	if (!dsi->debugfs_vpg)
 		return;
 
-	memcpy(dsi->debugfs_vpg, debugfs, sizeof(debugfs));
-
 	for (i = 0; i < ARRAY_SIZE(debugfs); i++)
 		debugfs_create_file(dsi->debugfs_vpg[i].name, 0644,
 				    dsi->debugfs, &dsi->debugfs_vpg[i],
-- 
2.28.0


^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2020-09-21 10:13 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-09-09 19:02 [PATCH] drm/bridge: dw-mipi-dsi: Use kmemdup cf. kmalloc+memcpy Alex Dewar
2020-09-11 12:57 ` Neil Armstrong
2020-09-19 19:31   ` Alex Dewar
2020-09-20  8:24     ` Daniel Vetter
2020-09-21  9:55       ` Neil Armstrong
2020-09-21  9:58       ` Neil Armstrong
2020-09-21 10:13         ` Alex Dewar

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