drivers: avoid format string in dev_set_name
Calling dev_set_name with a single paramter causes it to be handled as a
format string. Many callers are passing potentially dynamic string
content, so use "%s" in those cases to avoid any potential accidents,
including wrappers like device_create*() and bdi_register().
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index e4ac38a..b13344c 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -743,7 +743,7 @@
wblock->dev.class = &wmi_class;
wmi_gtoa(gblock->guid, guid_string);
- dev_set_name(&wblock->dev, guid_string);
+ dev_set_name(&wblock->dev, "%s", guid_string);
dev_set_drvdata(&wblock->dev, wblock);