splice: Apply generic position and size checks to each write

[pandora-kernel.git] / fs / ocfs2 / file.c

diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index d20d64c..0de24a2 100644 (file)
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2468,9 +2468,7 @@ static ssize_t ocfs2_file_splice_write(struct pipe_inode_info *pipe,
        struct address_space *mapping = out->f_mapping;
        struct inode *inode = mapping->host;
        struct splice_desc sd = {
-               .total_len = len,
                .flags = flags,
-               .pos = *ppos,
                .u.file = out,
        };
 
@@ -2480,6 +2478,12 @@ static ssize_t ocfs2_file_splice_write(struct pipe_inode_info *pipe,
                        out->f_path.dentry->d_name.len,
                        out->f_path.dentry->d_name.name, len);
 
+       ret = generic_write_checks(out, ppos, &len, 0);
+       if (ret)
+               return ret;
+       sd.total_len = len;
+       sd.pos = *ppos;
+
        if (pipe->inode)
                mutex_lock_nested(&pipe->inode->i_mutex, I_MUTEX_PARENT);