libfdisk: (gpt) check return from GUID parser [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libfdisk/src/gpt.c b/libfdisk/src/gpt.c
index e7b58f398307fbefa77a9359b48e856fc27c0f34..f1e4a65e7f46d32ef5f6788d7f34e6be0862b711 100644 (file)
--- a/libfdisk/src/gpt.c
+++ b/libfdisk/src/gpt.c
@@ -303,8 +303,10 @@ static void swap_efi_guid(struct gpt_guid *uid)
 
 static int string_to_guid(const char *in, struct gpt_guid *guid)
 {
-       if (uuid_parse(in, (unsigned char *) guid))     /* BE */
-               return -1;
+       if (uuid_parse(in, (unsigned char *) guid)) {   /* BE */
+               DBG(LABEL, ul_debug("GPT: failed to parse GUID: %s", in));
+               return -EINVAL;
+       }
        swap_efi_guid(guid);                            /* LE */
        return 0;
 }
@@ -1979,9 +1981,11 @@ static int gpt_add_partition(
                return -ENOSPC;
        }
 
-       string_to_guid(pa && pa->type && pa->type->typestr ?
+       rc = string_to_guid(pa && pa->type && pa->type->typestr ?
                                pa->type->typestr:
                                GPT_DEFAULT_ENTRY_TYPE, &typeid);
+       if (rc)
+               return rc;
 
        disk_f = find_first_available(pheader, ents, pheader->first_usable_lba);