From: Dan Carpenter dan.carpenter@oracle.com
stable inclusion from stable-v5.10.94 commit 7798757013ec45e65656bafdb444eb4e675578d9 bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 189723fbe9aca18d6f7d638c59a40288030932b5 ]
The "label" pointer is used for debug output. The code assumes that it is either NULL or valid, but it is never set to NULL. It is either valid or uninitialized.
Fixes: 0c275c30176b ("drm/bridge: Add bridge driver for display connectors") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Sam Ravnborg sam@ravnborg.org Link: https://patchwork.freedesktop.org/patch/msgid/20211013080825.GE6010@kili Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- drivers/gpu/drm/bridge/display-connector.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/display-connector.c b/drivers/gpu/drm/bridge/display-connector.c index 4d278573cdb9..544a47335cac 100644 --- a/drivers/gpu/drm/bridge/display-connector.c +++ b/drivers/gpu/drm/bridge/display-connector.c @@ -104,7 +104,7 @@ static int display_connector_probe(struct platform_device *pdev) { struct display_connector *conn; unsigned int type; - const char *label; + const char *label = NULL; int ret;
conn = devm_kzalloc(&pdev->dev, sizeof(*conn), GFP_KERNEL);