linux-kernel - [PATCH 3.14 098/114] CIFS: Fix STATUS_CANNOT

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Date:	Mon, 15 Sep 2014 12:26:38 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Pavel Shilovsky <pshilovsky@...ba.org>,
	Steve French <smfrench@...il.com>
Subject: [PATCH 3.14 098/114] CIFS: Fix STATUS_CANNOT_DELETE error mapping for SMB2

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Pavel Shilovsky <pshilovsky@...ba.org>

commit 21496687a79424572f46a84c690d331055f4866f upstream.

The existing mapping causes unlink() call to return error after delete
operation. Changing the mapping to -EACCES makes the client process
the call like CIFS protocol does - reset dos attributes with ATTR_READONLY
flag masked off and retry the operation.

Signed-off-by: Pavel Shilovsky <pshilovsky@...ba.org>
Signed-off-by: Steve French <smfrench@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/cifs/smb2maperror.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/cifs/smb2maperror.c
+++ b/fs/cifs/smb2maperror.c
@@ -605,7 +605,7 @@ static const struct status_to_posix_erro
 	{STATUS_MAPPED_FILE_SIZE_ZERO, -EIO, "STATUS_MAPPED_FILE_SIZE_ZERO"},
 	{STATUS_TOO_MANY_OPENED_FILES, -EMFILE, "STATUS_TOO_MANY_OPENED_FILES"},
 	{STATUS_CANCELLED, -EIO, "STATUS_CANCELLED"},
-	{STATUS_CANNOT_DELETE, -EIO, "STATUS_CANNOT_DELETE"},
+	{STATUS_CANNOT_DELETE, -EACCES, "STATUS_CANNOT_DELETE"},
 	{STATUS_INVALID_COMPUTER_NAME, -EIO, "STATUS_INVALID_COMPUTER_NAME"},
 	{STATUS_FILE_DELETED, -EIO, "STATUS_FILE_DELETED"},
 	{STATUS_SPECIAL_ACCOUNT, -EIO, "STATUS_SPECIAL_ACCOUNT"},


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