[U-Boot] [PATCH] minor improvements for env tools

[Luka Perkov]

Patch from openwrt commit r20062 regarding erase_len.

Correct types inside two fprintf functions.

Signed-off-by: Luka Perkov < lists ->-to->- lukaperkov.net >
---

diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index ed6b53f..4e4f6aa 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -488,7 +488,7 @@ int fw_setenv(int argc, char *argv[])
 			value = (char *)malloc(len - strlen(name));
 			if (!value) {
 				fprintf(stderr,
-				"Cannot malloc %u bytes: %s\n",
+				"Cannot malloc %zu bytes: %s\n",
 				len - strlen(name), strerror(errno));
 				return -1;
 			}
@@ -779,7 +779,10 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count,
 	erase_offset = (offset / blocklen) * blocklen;
 
 	/* Maximum area we may use */
-	erase_len = top_of_range - erase_offset;
+	if (mtd_type == MTD_NANDFLASH)
+		erase_len = top_of_range - erase_offset;
+	else
+		erase_len = blocklen;
 
 	blockstart = erase_offset;
 	/* Offset inside a block */
@@ -802,7 +805,7 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count,
 		data = malloc (erase_len);
 		if (!data) {
 			fprintf (stderr,
-				 "Cannot malloc %u bytes: %s\n",
+				 "Cannot malloc %zu bytes: %s\n",
 				 erase_len, strerror (errno));
 			return -1;
 		}