udev-builtin-blkid: use -errno not -1 as error code

The code that calls this function doesn't care, but it looks bad.

diff --git a/src/udev/udev-builtin-blkid.c b/src/udev/udev-builtin-blkid.c
index 856376fc796af22325bc88c24cba45e952395773..9037aa1304d68a3b31c626babf73b961715ee59d 100644 (file)
--- a/src/udev/udev-builtin-blkid.c
+++ b/src/udev/udev-builtin-blkid.c
@@ -193,7 +193,7 @@ static int probe_superblocks(blkid_probe pr) {
         int rc;
 
         if (fstat(blkid_probe_get_fd(pr), &st))
-                return -1;
+                return -errno;
 
         blkid_probe_enable_partitions(pr, 1);