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virt: vbox: Log unknown ioctl requests as error

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Every now and then upstream adds new ioctls without notifying us,
log unknown ioctl requests as an error to catch these.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200709120858.63928-8-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede
2020-07-09 14:08:57 +02:00
committed by Greg Kroah-Hartman
parent 316b003540
commit 5bc117a27f
3 changed files with 3 additions and 1 deletions
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include/linux/vbox_utils.h
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@@ -16,6 +16,7 @@ struct vbg_dev;
__printf(1, 2) void vbg_info(const char *fmt, ...);
__printf(1, 2) void vbg_warn(const char *fmt, ...);
__printf(1, 2) void vbg_err(const char *fmt, ...);
__printf(1, 2) void vbg_err_ratelimited(const char *fmt, ...);
/* Only use backdoor logging for non-dynamic debug builds */
#if defined(DEBUG) && !defined(CONFIG_DYNAMIC_DEBUG)