brcm_fw_tool: checksum of file name were incorrectly calculated.

This i likely a very old bug.

brcm_fw_tool/image-jffs2.c

@@ -38,6 +38,7 @@ int gen_image_jffs2(const char *in_file, char *sequence_number)
 	int possibly_jffs2 = 0;
 	int sequence;
 	char fixed_sequence[16];
+	char name[256];
 	int ver_name_len = strlen(VERSION_NAME);
 
 	if ((in_fp = open(in_file, O_RDWR)) < 0){
@@ -90,8 +91,10 @@ int gen_image_jffs2(const char *in_file, char *sequence_number)
 					if( pdir->version > version ) {
 						if( pdir->ino != 0 ) {
 							if (verbose) {
+								memcpy(name, pdir->name, pdir->nsize);
+								name[pdir->nsize] = 0;
 								printf("Found cferam structure at offset %x\n", (unsigned int)p);
-								printf("name    : %s\n",pdir->name);
+								printf("name    : %s\n",name);
 								printf("name_crc: %x\n",pdir->name_crc);
 								printf("nsize   : %d\n",pdir->nsize);
 								printf("totlen  : %d\n",pdir->totlen);
@@ -127,9 +130,11 @@ end:
 	}
 
 	memcpy(pdir->name+7, fixed_sequence, 3); 
-	pdir->name_crc = crc32(0, pdir->name, strlen((char*)pdir->name));
+	pdir->name_crc = crc32(0, pdir->name, pdir->nsize);
 	if (verbose) {
-		printf("new name    : %s sn: %s\n",pdir->name, fixed_sequence);
+		memcpy(name, pdir->name, pdir->nsize);
+		name[pdir->nsize] = 0;
+		printf("new name    : %s sn: %s\n", name, fixed_sequence);
 		printf("new name_crc: %x\n",pdir->name_crc);
 	}