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drivers: avoid format string in dev_set_name

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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>
This commit is contained in:
Kees Cook 2013-07-03 15:04:56 -07:00 • committed by Linus Torvalds
parent 096a8aac6b
commit 02aa2a3763
23 changed files with 25 additions and 26 deletions
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2
drivers/platform/x86/wmi.c
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@ -743,7 +743,7 @@ static int wmi_create_device(const struct guid_block *gblock,
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);