[U-Boot] [PATCH 03/14] mkimage: Require a data file when auto-fit is used

[Simon Glass]

When auto-fit is used, it is not valid to create a FIT without an image
file. Add a check for this to avoid a very confusing error message later
("Can't open (null): Bad address").

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 tools/mkimage.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/mkimage.c b/tools/mkimage.c
index 66d29ab..a36c031 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -276,6 +276,8 @@ static void process_args(int argc, char **argv)
 		/* For auto_its, datafile is always 'auto' */
 		if (!params.auto_its)
 			params.datafile = datafile;
+		else if (!params.datafile)
+			usage("Missing data file for auto-FIT (use -d)");
 	} else if (type != IH_TYPE_INVALID) {
 		params.type = type;
 	}
-- 
2.8.0.rc3.226.g39d4020