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-rw-r--r--sys/fs/msdosfs/msdosfs_vnops.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/fs/msdosfs/msdosfs_vnops.c b/sys/fs/msdosfs/msdosfs_vnops.c
index 6a83414..bce6b0d 100644
--- a/sys/fs/msdosfs/msdosfs_vnops.c
+++ b/sys/fs/msdosfs/msdosfs_vnops.c
@@ -1571,6 +1571,10 @@ msdosfs_readdir(ap)
return (error);
}
n = min(n, blsize - bp->b_resid);
+ if (n == 0) {
+ brelse(bp);
+ return (EIO);
+ }
/*
* Convert from dos directory entries to fs-independent
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