From: Arnd Bergmann <arnd@xxxxxxxx>
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@xxxxxxxx>
---
drivers/media/pci/mgb4/mgb4_regs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/pci/mgb4/mgb4_regs.c b/drivers/media/pci/mgb4/mgb4_regs.c
index 31befd722d72..b45537dbfafa 100644
--- a/drivers/media/pci/mgb4/mgb4_regs.c
+++ b/drivers/media/pci/mgb4/mgb4_regs.c
@@ -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)