const char *post) {
_cleanup_blkid_free_probe_ blkid_probe b = NULL;
- const char *fstype;
+ const char *fstype = NULL;
int r;
assert(id);
r = blkid_do_safeprobe(b);
if (r == -2 || r == 1) /* no result or uncertain */
return 0;
- else if (r != 0) {
- if (errno == 0)
- errno = EIO;
- log_error_errno(errno, "Failed to probe %s: %m", what);
- return -errno;
- }
+ else if (r != 0)
+ return log_error_errno(errno ?: EIO, "Failed to probe %s: %m", what);
- blkid_probe_lookup_value(b, "TYPE", &fstype, NULL);
+ /* add_mount is OK with fstype being NULL. */
+ (void) blkid_probe_lookup_value(b, "TYPE", &fstype, NULL);
return add_mount(
id,