diff options
| -rw-r--r-- | fs/iomap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/iomap.c b/fs/iomap.c index e5de7725f18a..afd163586aa0 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -65,6 +65,8 @@ iomap_apply(struct inode *inode, loff_t pos, loff_t length, unsigned flags, return ret; if (WARN_ON(iomap.offset > pos)) return -EIO; + if (WARN_ON(iomap.length == 0)) + return -EIO; /* * Cut down the length to the one actually provided by the filesystem, |