From: Hannes Reinecke Date: Fri, 15 May 2020 11:26:47 +0000 (+0200) Subject: scsi: fnic: Do not call 'scsi_done()' for unhandled commands X-Git-Tag: io_uring-5.10-2020-10-20~61^2~25 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=712582e60f288e7cede8d6fc8769529317e0f3e0;p=linux-2.6-block.git scsi: fnic: Do not call 'scsi_done()' for unhandled commands The fnic drivers assigns an ioreq structure to each command and severs this assignment once scsi_done() has been called and the command has been completed. When traversing commands to terminate outstanding I/O we should not call scsi_done() on commands which do not have a corresponding ioreq structure; these commands have either never entered the driver or have already been completed. [mkp: fixed unused label warning] Link: https://lore.kernel.org/r/20200515112647.49260-1-hare@suse.de Reported-by: kbuild test robot Reviewed-by: Laurence Oberman Acked-by: Satish Kharat Acked-by: Karan Tilak Kumar Signed-off-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index 03b1805b106c..d1f7b84bbfe8 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -1402,7 +1402,7 @@ static void fnic_cleanup_io(struct fnic *fnic, int exclude_id) } if (!io_req) { spin_unlock_irqrestore(io_lock, flags); - goto cleanup_scsi_cmd; + continue; } CMD_SP(sc) = NULL; @@ -1417,7 +1417,6 @@ static void fnic_cleanup_io(struct fnic *fnic, int exclude_id) fnic_release_ioreq_buf(fnic, io_req, sc); mempool_free(io_req, fnic->io_req_pool); -cleanup_scsi_cmd: sc->result = DID_TRANSPORT_DISRUPTED << 16; FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "%s: tag:0x%x : sc:0x%p duration = %lu DID_TRANSPORT_DISRUPTED\n",