Commit 9ab70ca6 authored May 14, 2019 by Kovtunenko Oleksandr Committed by Steve French May 15, 2019

show_bug.cgi?id=202935 allow write on the same file



Copychunk allows source and target to be on the same file.
For details on restrictions see MS-SMB2 3.3.5.15.6

Signed-off-by: Kovtunenko Oleksandr <alexander198961@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

parent 2c87d6a9

fs/cifs/cifsfs.c

+0 −5

Original line number	Diff line number	Diff line
		@@ -1070,11 +1070,6 @@ ssize_t cifs_file_copychunk_range(unsigned int xid,

		cifs_dbg(FYI, "copychunk range\n");

		if (src_inode == target_inode) {
		rc = -EINVAL;
		goto out;
		}

		if (!src_file->private_data \|\| !dst_file->private_data) {
		rc = -EBADF;
		cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n");

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