[CIFS] report rename failure when target file is locked by Windows
Fixes Samba bugzilla bug # 4182
Rename by handle failures (retry after rename by path) were not
being returned back.
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 50afab8..0b3c37e 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -3,7 +3,9 @@
Support deep tree mounts. Better support OS/2, Win9x (DOS) time stamps.
Allow null user to be specified on mount ("username="). Do not return
EINVAL on readdir when filldir fails due to overwritten blocksize
-(fixes FC problem)
+(fixes FC problem). Return error in rename 2nd attempt retry (ie report
+if rename by handle also fails, after rename by path fails, we were
+not reporting whether the retry worked or not).
Version 1.45
------------
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 35d54bb..dffe295 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -885,10 +885,14 @@
kmalloc(2 * sizeof(FILE_UNIX_BASIC_INFO), GFP_KERNEL);
if (info_buf_source != NULL) {
info_buf_target = info_buf_source + 1;
- rc = CIFSSMBUnixQPathInfo(xid, pTcon, fromName,
- info_buf_source, cifs_sb_source->local_nls,
- cifs_sb_source->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (pTcon->ses->capabilities & CAP_UNIX)
+ rc = CIFSSMBUnixQPathInfo(xid, pTcon, fromName,
+ info_buf_source,
+ cifs_sb_source->local_nls,
+ cifs_sb_source->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
+ /* else rc is still EEXIST so will fall through to
+ unlink the target and retry rename */
if (rc == 0) {
rc = CIFSSMBUnixQPathInfo(xid, pTcon, toName,
info_buf_target,
@@ -937,7 +941,7 @@
cifs_sb_source->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc==0) {
- CIFSSMBRenameOpenFile(xid, pTcon, netfid, toName,
+ rc = CIFSSMBRenameOpenFile(xid, pTcon, netfid, toName,
cifs_sb_source->local_nls,
cifs_sb_source->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);