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Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
[pandora-kernel.git]
/
fs
/
btrfs
/
ioctl.c
diff --git
a/fs/btrfs/ioctl.c
b/fs/btrfs/ioctl.c
index
e84ef60
..
97a9783
100644
(file)
--- a/
fs/btrfs/ioctl.c
+++ b/
fs/btrfs/ioctl.c
@@
-1481,12
+1481,17
@@
static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
ret = -EBADF;
goto out_drop_write;
}
ret = -EBADF;
goto out_drop_write;
}
+
src = src_file->f_dentry->d_inode;
ret = -EINVAL;
if (src == inode)
goto out_fput;
src = src_file->f_dentry->d_inode;
ret = -EINVAL;
if (src == inode)
goto out_fput;
+ /* the src must be open for reading */
+ if (!(src_file->f_mode & FMODE_READ))
+ goto out_fput;
+
ret = -EISDIR;
if (S_ISDIR(src->i_mode) || S_ISDIR(inode->i_mode))
goto out_fput;
ret = -EISDIR;
if (S_ISDIR(src->i_mode) || S_ISDIR(inode->i_mode))
goto out_fput;