[PATCH v3 1/4] tools: mkimage: propagate error codes from fit_handle_file()

[Aristo Chen]

The fit_handle_file() function previously returned a hardcoded -1 on
error. This change updates the logic to return the actual error code
stored in `ret`, allowing for error propagation.

This improves debuggability and enables downstream callers to
distinguish different failure causes, such as FDT_ERR_NOTFOUND or
other errors.

Signed-off-by: Aristo Chen <aristo.chen at canonical.com>
---
 tools/fit_image.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/fit_image.c b/tools/fit_image.c
index caed8d5f901..3d2fbad3853 100644
--- a/tools/fit_image.c
+++ b/tools/fit_image.c
@@ -750,7 +750,7 @@ static int fit_handle_file(struct image_tool_params *params)
 	char bakfile[MKIMAGE_MAX_TMPFILE_LEN + 4] = {0};
 	char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN];
 	size_t size_inc;
-	int ret;
+	int ret = EXIT_FAILURE;
 
 	/* Flattened Image Tree (FIT) format  handling */
 	debug ("FIT format handling\n");
@@ -854,7 +854,7 @@ static int fit_handle_file(struct image_tool_params *params)
 err_system:
 	unlink(tmpfile);
 	unlink(bakfile);
-	return -1;
+	return ret;
 }
 
 /**
-- 
2.43.0