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-rw-r--r--fs/btrfs/inode.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 62a3a778d37d..1cabc1951b0e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1831,6 +1831,8 @@ int btrfs_ioctl(struct inode *inode, struct file *filp, unsigned int
namelen = strlen(vol_args.name);
if (namelen > BTRFS_VOL_NAME_MAX)
return -EINVAL;
+ if (strchr(vol_args.name, '/'))
+ return -EINVAL;
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;