media: pci: mgb4: include linux/errno.h
authorArnd Bergmann <arnd@arndb.de>
Fri, 7 Mar 2025 10:24:27 +0000 (11:24 +0100)
committerHans Verkuil <hverkuil@xs4all.nl>
Fri, 7 Mar 2025 11:05:42 +0000 (12:05 +0100)
commitf2151613e040973c868d28c8b00885dfab69eb75
treede032d02709288b77b76ca92a584383d09e7a16d
parentca8dc5951b6be04bb6e2b69a1606c8fbaa5e4fb4
media: pci: mgb4: include linux/errno.h

The errno.h header is not always included indirectly, leading
to rare randconfig build warnings.

drivers/media/pci/mgb4/mgb4_regs.c:20:11: error: use of undeclared identifier 'EINVAL'
   20 |                 return -EINVAL;

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
drivers/media/pci/mgb4/mgb4_regs.c