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-rw-r--r--libblkid-tiny/libblkid-tiny.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libblkid-tiny/libblkid-tiny.c b/libblkid-tiny/libblkid-tiny.c
index 18db4ef..6e8cd81 100644
--- a/libblkid-tiny/libblkid-tiny.c
+++ b/libblkid-tiny/libblkid-tiny.c
@@ -196,7 +196,7 @@ int probe_block(char *block, struct blkid_struct_probe *pr)
pr->err = -1;
pr->fd = open(block, O_RDONLY);
- if (!pr->fd)
+ if (pr->fd == -1)
return -1;
for (i = 0; i < ARRAY_SIZE(idinfos); i++) {