[U-Boot] [PATCH 1/4] tools: imx8image: check lseek return value

[Peng Fan]

Check lseek return value.

Fix Coverity CID: 184236 184235 184232

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 tools/imx8image.c | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/tools/imx8image.c b/tools/imx8image.c
index e6b0a146b6..eb039b583d 100644
--- a/tools/imx8image.c
+++ b/tools/imx8image.c
@@ -333,7 +333,12 @@ static void copy_file_aligned(int ifd, const char *datafile, int offset,
 	}
 
 	size = sbuf.st_size;
-	lseek(ifd, offset, SEEK_SET);
+	if (lseek(ifd, offset, SEEK_SET) == -1) {
+		fprintf(stderr, "%s: lseek error %s\n",
+			__func__, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
 	if (write(ifd, ptr, size) != size) {
 		fprintf(stderr, "Write error %s\n", strerror(errno));
 		exit(EXIT_FAILURE);
@@ -387,7 +392,12 @@ static void copy_file (int ifd, const char *datafile, int pad, int offset)
 	}
 
 	size = sbuf.st_size;
-	lseek(ifd, offset, SEEK_SET);
+	if (lseek(ifd, offset, SEEK_SET) == -1) {
+		fprintf(stderr, "%s: lseek error %s\n",
+			__func__, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
 	if (write(ifd, ptr, size) != size) {
 		fprintf(stderr, "Write error %s\n",
 			strerror(errno));
@@ -883,7 +893,11 @@ static int build_container(soc_type_t soc, uint32_t sector_size,
 	} while (img_sp->option != NO_IMG);
 
 	/* Add padding or skip appended container */
-	lseek(ofd, file_padding, SEEK_SET);
+	if (lseek(ofd, file_padding, SEEK_SET) == -1) {
+		fprintf(stderr, "%s: lseek error %s\n",
+			__func__, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
 
 	/* Note: Image offset are not contained in the image */
 	tmp = flatten_container_header(&imx_header, container + 1, &size,
-- 
2.14.1