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media: pci: mgb4: include linux/errno.h

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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>
This commit is contained in:
Arnd Bergmann 2025-03-07 11:24:27 +01:00 committed by Hans Verkuil
parent ca8dc5951b
commit f2151613e0
1 changed files with 1 additions and 0 deletions
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drivers/media/pci/mgb4/mgb4_regs.c
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@ -5,6 +5,7 @@
*/
#include <linux/ioport.h>
#include <linux/errno.h>
#include "mgb4_regs.h"
int mgb4_regs_map(struct resource *res, struct mgb4_regs *regs)