[U-Boot] [PATCH 3/4] tools: imx8image: fix coverity CID 184233

[Peng Fan]

Fix:
CID 184233:    (NEGATIVE_RETURNS)
Using variable "container" as an index to array "imx_header.fhdr".

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 tools/imx8image.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/imx8image.c b/tools/imx8image.c
index 06b72ea989..f3d1658f11 100644
--- a/tools/imx8image.c
+++ b/tools/imx8image.c
@@ -808,6 +808,10 @@ static int build_container(soc_type_t soc, uint32_t sector_size,
 		case SCFW:
 		case DATA:
 		case MSG_BLOCK:
+			if (container < 0) {
+				fprintf(stderr, "No container found\n");
+				exit(EXIT_FAILURE);
+			}
 			check_file(&sbuf, img_sp->filename);
 			tmp_filename = img_sp->filename;
 			set_image_array_entry(&imx_header.fhdr[container],
@@ -821,6 +825,10 @@ static int build_container(soc_type_t soc, uint32_t sector_size,
 			break;
 
 		case SECO:
+			if (container < 0) {
+				fprintf(stderr, "No container found\n");
+				exit(EXIT_FAILURE);
+			}
 			check_file(&sbuf, img_sp->filename);
 			tmp_filename = img_sp->filename;
 			set_image_array_entry(&imx_header.fhdr[container],
-- 
2.14.1