X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=tools%2Fomapimage.c;h=c59cdcc79b3d0f4934817fca231bc4e6c6fc7c87;hb=270f1fb7b213a315b9b5fbde394d390d0c4876ae;hp=e31b94ae4f72d2e05c90781d5d9d0e67b9b9a81d;hpb=ce38ebb6f7f0e2111b7d457651ae0a76bc5a2636;p=oweals%2Fu-boot.git

diff --git a/tools/omapimage.c b/tools/omapimage.c
index e31b94ae4f..c59cdcc79b 100644
--- a/tools/omapimage.c
+++ b/tools/omapimage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2010
  * Linaro LTD, www.linaro.org
@@ -10,8 +11,6 @@
  * (C) Copyright 2008
  * Marvell Semiconductor <www.marvell.com>
  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include "imagetool.h"
@@ -20,6 +19,8 @@
 #include "gpheader.h"
 #include "omapimage.h"
 
+#define DIV_ROUND_UP(n, d)     (((n) + (d) - 1) / (d))
+
 /* Header size is CH header rounded up to 512 bytes plus GP header */
 #define OMAP_CH_HDR_SIZE 512
 #define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE)
@@ -143,15 +144,17 @@ static void omapimage_set_header(void *ptr, struct stat *sbuf, int ifd,
 	toc++;
 	memset(toc, 0xff, sizeof(*toc));
 
-	gph_set_header(gph, sbuf->st_size - OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE,
+	gph_set_header(gph, sbuf->st_size - OMAP_CH_HDR_SIZE,
 		       params->addr, 0);
 
 	if (strncmp(params->imagename, "byteswap", 8) == 0) {
 		do_swap32 = 1;
 		int swapped = 0;
 		uint32_t *data = (uint32_t *)ptr;
+		const off_t size_in_words =
+			DIV_ROUND_UP(sbuf->st_size, sizeof(uint32_t));
 
-		while (swapped <= (sbuf->st_size / sizeof(uint32_t))) {
+		while (swapped < size_in_words) {
 			*data = cpu_to_be32(*data);
 			swapped++;
 			data++;