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-rw-r--r--tools/firmware-utils/src/mkfwimage.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/firmware-utils/src/mkfwimage.c b/tools/firmware-utils/src/mkfwimage.c
index c919a2a131..6f993d121d 100644
--- a/tools/firmware-utils/src/mkfwimage.c
+++ b/tools/firmware-utils/src/mkfwimage.c
@@ -297,6 +297,7 @@ static u_int32_t filelength(const char* file)
static int create_image_layout(const char* kernelfile, const char* rootfsfile, char* board_name, image_info_t* im)
{
+ uint32_t rootfs_len = 0;
part_data_t* kernel = &im->parts[0];
part_data_t* rootfs = &im->parts[1];
@@ -311,8 +312,13 @@ static int create_image_layout(const char* kernelfile, const char* rootfsfile, c
kernel->partition_entryaddr = p->kern_entry;
strncpy(kernel->filename, kernelfile, sizeof(kernel->filename));
- if (filelength(rootfsfile) + kernel->partition_length > p->firmware_max_length)
+ rootfs_len = filelength(rootfsfile);
+ if (rootfs_len + kernel->partition_length > p->firmware_max_length) {
+ ERROR("File '%s' too big (0x%08X) - max size: 0x%08X (exceeds %u bytes)\n",
+ rootfsfile, rootfs_len, p->firmware_max_length,
+ (rootfs_len + kernel->partition_length) - p->firmware_max_length);
return (-2);
+ }
strcpy(rootfs->partition_name, "rootfs");
rootfs->partition_index = 2;