From 1afca6b5f31616d330fb64a0c87060640a75ff6a Mon Sep 17 00:00:00 2001 From: "Dupuis, Chad" Date: Thu, 23 Feb 2017 07:01:03 -0800 Subject: [PATCH] scsi: qedf: fixup compilation warning about atomic_t usage Based on an original patch by Hannes Reinecke. The driver didn't follow the atomic_t vs refcount_t change, and anyway one should be using kref_read() instead of accessing the counter inside an kref. Fixes: 61d8658b4a435e ("scsi: qedf: Add QLogic FastLinQ offload FCoE driver framework.) Cc: Hannes Reinecke Cc: Nilesh Javali Signed-off-by: Dupuis, Chad Signed-off-by: Martin K. Petersen --- drivers/scsi/qedf/qedf_els.c | 6 +++--- drivers/scsi/qedf/qedf_io.c | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/qedf/qedf_els.c b/drivers/scsi/qedf/qedf_els.c index 78f1c252b649..59f3e5c73a13 100644 --- a/drivers/scsi/qedf/qedf_els.c +++ b/drivers/scsi/qedf/qedf_els.c @@ -183,7 +183,7 @@ static void qedf_rrq_compl(struct qedf_els_cb_arg *cb_arg) rrq_req->event != QEDF_IOREQ_EV_ELS_ERR_DETECT) cancel_delayed_work_sync(&orig_io_req->timeout_work); - refcount = atomic_read(&orig_io_req->refcount.refcount); + refcount = kref_read(&orig_io_req->refcount); QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_ELS, "rrq_compl: orig io = %p," " orig xid = 0x%x, rrq_xid = 0x%x, refcount=%d\n", orig_io_req, orig_io_req->xid, rrq_req->xid, refcount); @@ -474,7 +474,7 @@ static void qedf_srr_compl(struct qedf_els_cb_arg *cb_arg) srr_req->event != QEDF_IOREQ_EV_ELS_ERR_DETECT) cancel_delayed_work_sync(&orig_io_req->timeout_work); - refcount = atomic_read(&orig_io_req->refcount.refcount); + refcount = kref_read(&orig_io_req->refcount); QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_ELS, "Entered: orig_io=%p," " orig_io_xid=0x%x, rec_xid=0x%x, refcount=%d\n", orig_io_req, orig_io_req->xid, srr_req->xid, refcount); @@ -758,7 +758,7 @@ static void qedf_rec_compl(struct qedf_els_cb_arg *cb_arg) rec_req->event != QEDF_IOREQ_EV_ELS_ERR_DETECT) cancel_delayed_work_sync(&orig_io_req->timeout_work); - refcount = atomic_read(&orig_io_req->refcount.refcount); + refcount = kref_read(&orig_io_req->refcount); QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_ELS, "Entered: orig_io=%p," " orig_io_xid=0x%x, rec_xid=0x%x, refcount=%d\n", orig_io_req, orig_io_req->xid, rec_req->xid, refcount); diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c index 486c045ac8bb..ee0dcf9d3aba 100644 --- a/drivers/scsi/qedf/qedf_io.c +++ b/drivers/scsi/qedf/qedf_io.c @@ -998,7 +998,7 @@ static void qedf_trace_io(struct qedf_rport *fcport, struct qedf_ioreq *io_req, io_log->sg_count = scsi_sg_count(sc_cmd); io_log->result = sc_cmd->result; io_log->jiffies = jiffies; - io_log->refcount = atomic_read(&io_req->refcount.refcount); + io_log->refcount = kref_read(&io_req->refcount); if (direction == QEDF_IO_TRACE_REQ) { /* For requests we only care abot the submission CPU */ @@ -1340,7 +1340,7 @@ void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, /* Good I/O completion */ sc_cmd->result = DID_OK << 16; } else { - refcount = atomic_read(&io_req->refcount.refcount); + refcount = kref_read(&io_req->refcount); QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO, "%d:0:%d:%d xid=0x%0x op=0x%02x " "lba=%02x%02x%02x%02x cdb_status=%d " @@ -1425,7 +1425,7 @@ void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, qedf_unmap_sg_list(qedf, io_req); sc_cmd->result = result << 16; - refcount = atomic_read(&io_req->refcount.refcount); + refcount = kref_read(&io_req->refcount); QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO, "%d:0:%d:%d: Completing " "sc_cmd=%p result=0x%08x op=0x%02x lba=0x%02x%02x%02x%02x, " "allowed=%d retries=%d refcount=%d.\n", @@ -1556,7 +1556,7 @@ static void qedf_flush_els_req(struct qedf_ctx *qedf, { QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO, "Flushing ELS request xid=0x%x refcount=%d.\n", els_req->xid, - atomic_read(&els_req->refcount.refcount)); + kref_read(&els_req->refcount)); /* * Need to distinguish this from a timeout when calling the -- 2.20.1