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| author |   Kovtunenko Oleksandr <alexander198961@gmail.com> | 2019-05-14 05:52:34 +0000 |
|---|---|---|
| committer |   Steve French <stfrench@microsoft.com> | 2019-05-15 22:27:53 -0500 |
| commit | 9ab70ca653307771589e1414102c552d8dbdbbef (patch) | |
| tree | 052a987ea3c46d746b917130b7429a6471de647c /fs/cifs/cifsfs.c | |
| parent | cifs: Allocate memory for all iovs in smb2_ioctl (diff) | |
| download | linux-dev-9ab70ca653307771589e1414102c552d8dbdbbef.tar.xz linux-dev-9ab70ca653307771589e1414102c552d8dbdbbef.zip | |
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.c | 5 |
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"); |