ccollins476ad commented on a change in pull request #54: img_mgmt: TLVs were
not getting parsed correctly
URL: https://github.com/apache/mynewt-mcumgr/pull/54#discussion_r357894403
##########
File path: cmd/img_mgmt/src/img_mgmt.c
##########
@@ -165,7 +165,15 @@ img_mgmt_read_info(int image_slot, struct image_version
*ver, uint8_t *hash,
* the hash is missing, the image is considered invalid.
*/
data_off = hdr.ih_hdr_size + hdr.ih_img_size;
- rc = img_mgmt_find_tlvs(&hdr, image_slot, &data_off, &data_end);
+
+ rc = img_mgmt_find_tlvs(image_slot, &data_off, &data_end,
IMAGE_TLV_PROT_INFO_MAGIC);
+ if (rc != 0) {
+ return MGMT_ERR_EUNKNOWN;
+ }
+
+ data_off = data_end - sizeof(struct image_tlv_info);
Review comment:
Personally I would add a brief comment here explaining that the semantics
are different for protected TLV info vs unprotected. It might look like a bug
since the code only does this subtraction in one of two places.
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