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-rw-r--r--disk-utils/fsck.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/disk-utils/fsck.c b/disk-utils/fsck.c
index b4630c541..6f9e78b34 100644
--- a/disk-utils/fsck.c
+++ b/disk-utils/fsck.c
@@ -316,7 +316,7 @@ static int is_irrotational_disk(dev_t disk)
"/sys/dev/block/%d:%d/queue/rotational",
major(disk), minor(disk));
- if (rc < 0 || (unsigned int) (rc + 1) > sizeof(path))
+ if (rc < 0 || (unsigned int) rc >= sizeof(path))
return 0;
f = fopen(path, "r");