drm/bridge: dw-mipi-dsi: Use kmemdup cf. kmalloc+memcpy

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>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200909190213.156302-1-alex.dewar90@gmail.com

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index 52f5c5a..7e9a62a 100644 (file)
--- 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],