Commit c553300f authored Jan 13, 2021 by Paulo Alcantara Committed by Greg Kroah-Hartman Jan 19, 2021

cifs: fix interrupted close commands



[ Upstream commit 2659d3bff3e1b000f49907d0839178b101a89887 ]

Retry close command if it gets interrupted to not leak open handles on
the server.

Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reported-by: Duncan Findlay <duncf@duncf.ca>
Suggested-by: Pavel Shilovsky <pshilov@microsoft.com>
Fixes: 6988a619f5b7 ("cifs: allow syscalls to be restarted in __smb_send_rqst()")
Cc: stable@vger.kernel.org
Reviewd-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent d17a9571

fs/cifs/smb2pdu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2996,7 +2996,7 @@ SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
		free_rsp_buf(resp_buftype, rsp);

		/* retry close in a worker thread if this one is interrupted */
		if (rc == -EINTR) {
		if (is_interrupt_error(rc)) {
		int tmp_rc;

		tmp_rc = smb2_handle_cancelled_close(tcon, persistent_fid,