X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=tools%2Ffit_common.c;h=cdf987d3c1389004ccf98135cd1d88aa54e174ff;hb=a539c8bd7dffa144bdc4826d5858a515f626856f;hp=81ba698abd2594727522559c0ca8560268bdae20;hpb=84f24ac8278d287581e5a559a7299e1dc2b53481;p=oweals%2Fu-boot.git

diff --git a/tools/fit_common.c b/tools/fit_common.c
index 81ba698abd..cdf987d3c1 100644
--- a/tools/fit_common.c
+++ b/tools/fit_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2014
  * DENX Software Engineering
@@ -14,8 +15,6 @@
  *		some functions added to address abstraction
  *
  * All rights reserved.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include "imagetool.h"
@@ -27,7 +26,10 @@
 int fit_verify_header(unsigned char *ptr, int image_size,
 			struct image_tool_params *params)
 {
-	return fdt_check_header(ptr);
+	if (fdt_check_header(ptr) != EXIT_SUCCESS || !fit_check_format(ptr))
+		return EXIT_FAILURE;
+
+	return EXIT_SUCCESS;
 }
 
 int fit_check_image_types(uint8_t type)
@@ -39,13 +41,14 @@ int fit_check_image_types(uint8_t type)
 }
 
 int mmap_fdt(const char *cmdname, const char *fname, size_t size_inc,
-	     void **blobp, struct stat *sbuf, bool delete_on_error)
+	     void **blobp, struct stat *sbuf, bool delete_on_error,
+	     bool read_only)
 {
 	void *ptr;
 	int fd;
 
 	/* Load FIT blob into memory (we need to write hashes/signatures) */
-	fd = open(fname, O_RDWR | O_BINARY);
+	fd = open(fname, (read_only ? O_RDONLY : O_RDWR) | O_BINARY);
 
 	if (fd < 0) {
 		fprintf(stderr, "%s: Can't open %s: %s\n",
@@ -69,7 +72,9 @@ int mmap_fdt(const char *cmdname, const char *fname, size_t size_inc,
 	}
 
 	errno = 0;
-	ptr = mmap(0, sbuf->st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+	ptr = mmap(0, sbuf->st_size,
+		   (read_only ? PROT_READ : PROT_READ | PROT_WRITE), MAP_SHARED,
+		   fd, 0);
 	if ((ptr == MAP_FAILED) || (errno != 0)) {
 		fprintf(stderr, "%s: Can't read %s: %s\n",
 			cmdname, fname, strerror(errno));