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authorDan Carpenter <error27@gmail.com>2023-03-22 12:07:10 +0300
committerLinus Walleij <linus.walleij@linaro.org>2023-03-28 00:23:00 +0300
commit14302ab0d6550ef0ea48f213b0ab13c9249de185 (patch)
tree3621e57d3afe0d04b8f40c1d1c81f60988964029 /drivers/gpu/drm/panel
parentbd2eefd018e5a8066b7bc66d8e200fbe3095ea5e (diff)
downloadlinux-14302ab0d6550ef0ea48f213b0ab13c9249de185.tar.xz
drm/panel: magnachip: Prevent error pointer dereference in probe
Don't dereference "db->dsi_dev" when it is an error pointer. Fixes: 249a4f5e663c ("drm/panel: Add Magnachip D53E6EA8966 Panel Driver") Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/de0273a8-8910-4ac4-b4ed-f7691c4d2ca6@kili.mountain
Diffstat (limited to 'drivers/gpu/drm/panel')
-rw-r--r--drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c b/drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c
index 8c362c40227f..26d358b9b85a 100644
--- a/drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c
+++ b/drivers/gpu/drm/panel/panel-magnachip-d53e6ea8966.c
@@ -418,7 +418,7 @@ static int d53e6ea8966_probe(struct spi_device *spi)
if (IS_ERR(db->dsi_dev)) {
dev_err(dev, "failed to register dsi device: %ld\n",
PTR_ERR(db->dsi_dev));
- ret = PTR_ERR(db->dsi_dev);
+ return PTR_ERR(db->dsi_dev);
}
db->dsi_dev->lanes = 2;