firmware-utils: mkfwimage: add -Wall, fix obvious bugs causing compile warnings

[15.05/openwrt.git] / tools / firmware-utils / src / mkfwimage.c

diff --git a/tools/firmware-utils/src/mkfwimage.c b/tools/firmware-utils/src/mkfwimage.c
index e3a03c1..00bf439 100644 (file)
--- a/tools/firmware-utils/src/mkfwimage.c
+++ b/tools/firmware-utils/src/mkfwimage.c
@@ -104,8 +104,6 @@ typedef struct part_data {
 
 #define OPTIONS "B:hv:m:o:r:k:"
 
-static int debug = 0;
-
 typedef struct image_info {
        char magic[16];
        char version[256];
@@ -236,9 +234,9 @@ static int create_image_layout(const char* kernelfile, const char* rootfsfile, c
        fw_layout_t* p;
 
        p = &fw_layout_data[0];
-       while ((strlen(p->name) != 0) && (strncmp(p->name, board_name, sizeof(board_name)) != 0))
+       while (*p->name && (strcmp(p->name, board_name) != 0))
                p++;
-       if (p->name == NULL) {
+       if (!*p->name) {
                printf("BUG! Unable to find default fw layout!\n");
                exit(-1);
        }
@@ -247,7 +245,7 @@ static int create_image_layout(const char* kernelfile, const char* rootfsfile, c
        strcpy(kernel->partition_name, "kernel");
        kernel->partition_index = 1;
        kernel->partition_baseaddr = p->kern_start;
-       if ( (kernel->partition_length = filelength(kernelfile)) < 0) return (-1);
+       if ( (kernel->partition_length = filelength(kernelfile)) == (u_int32_t)-1) return (-1);
        kernel->partition_memaddr = p->kern_entry;
        kernel->partition_entryaddr = p->kern_entry;
        strncpy(kernel->filename, kernelfile, sizeof(kernel->filename));
@@ -263,8 +261,8 @@ static int create_image_layout(const char* kernelfile, const char* rootfsfile, c
        rootfs->partition_entryaddr = 0x00000000;
        strncpy(rootfs->filename, rootfsfile, sizeof(rootfs->filename));
 
-printf("kernel: %d 0x%08x\n", kernel->partition_length, kernel->partition_baseaddr);
-printf("root: %d 0x%08x\n", rootfs->partition_length, rootfs->partition_baseaddr);
+       printf("kernel: %d 0x%08x\n", kernel->partition_length, kernel->partition_baseaddr);
+       printf("root: %d 0x%08x\n", rootfs->partition_length, rootfs->partition_baseaddr);
        im->part_count = 2;
 
        return 0;