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) -- 2.39.5
