* [PATCH AUTOSEL 4.14 04/25] Fixed https://bugzilla.kernel.org/show_bug.cgi?id=202935 allow write on the same file
[not found] <20191025135715.25468-1-sashal@kernel.org>
@ 2019-10-25 13:56 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2019-10-25 13:56 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Kovtunenko Oleksandr, Steve French, Sasha Levin, linux-cifs
From: Kovtunenko Oleksandr <alexander198961@gmail.com>
[ Upstream commit 9ab70ca653307771589e1414102c552d8dbdbbef ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/cifs/cifsfs.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index c5fd5abf72069..262048e6073f3 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -998,11 +998,6 @@ 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");
--
2.20.1
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2019-10-25 13:56 ` [PATCH AUTOSEL 4.14 04/25] Fixed https://bugzilla.kernel.org/show_bug.cgi?id=202935 allow write on the same file Sasha Levin
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