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authorKovtunenko Oleksandr <alexander198961@gmail.com>2019-05-14 05:52:34 +0000
committerSteve French <stfrench@microsoft.com>2019-05-15 22:27:53 -0500
commit9ab70ca653307771589e1414102c552d8dbdbbef (patch)
tree052a987ea3c46d746b917130b7429a6471de647c /fs/cifs/cifsfs.c
parent2c87d6a94d162e68ca393cb87719dae8737f55c0 (diff)
downloadlinux-9ab70ca653307771589e1414102c552d8dbdbbef.tar.gz
Fixed https://bugzilla.kernel.org/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>
Diffstat (limited to 'fs/cifs/cifsfs.c')
-rw-r--r--fs/cifs/cifsfs.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index b1a5fcfa3ce1..d0cb042732cb 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -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");