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cifs: fix interrupted close commands 

[ Upstream commit 2659d3bff3 ]

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: 6988a619f5 ("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>
5.4-rM2-2.2.x-imx-squashed
Paulo Alcantara 2021-01-13 14:16:16 -03:00 committed by Greg Kroah-Hartman
parent d17a9571e3
commit c553300f14
1 changed files with 1 additions and 1 deletions
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2
fs/cifs/smb2pdu.c
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@ -2996,7 +2996,7 @@ close_exit:
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,