armbian/linux-rockchip
0
0
Fork 0
mirror of https://github.com/armbian/linux-rockchip.git synced 2026-01-06 11:08:10 -08:00
Code Issues Packages Projects Releases Wiki Activity

scsi: qla2xxx: Fix missed DMA unmap for NVMe ls requests

Browse Source 
commit c85ab7d9e2 upstream.

At NVMe ELS request time, request structure is DMA mapped and never
unmapped. Fix this by calling the unmap on ELS completion.

Link: https://lore.kernel.org/r/20220310092604.22950-5-njavali@marvell.com
Fixes: e84067d743 ("scsi: qla2xxx: Add FC-NVMe F/W initialization and transport registration")
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arun Easi
2022-03-10 01:25:55 -08:00
committed by Greg Kroah-Hartman
parent f296e888e9
commit 0910a791a6
1 changed files with 17 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/scsi/qla2xxx/qla_nvme.c
View File

@@ -170,6 +170,18 @@ out:
qla2xxx_rel_qpair_sp(sp->qpair, sp);
}
static void qla_nvme_ls_unmap(struct srb *sp, struct nvmefc_ls_req *fd)
{
if (sp->flags & SRB_DMA_VALID) {
struct srb_iocb *nvme = &sp->u.iocb_cmd;
struct qla_hw_data *ha = sp->fcport->vha->hw;
dma_unmap_single(&ha->pdev->dev, nvme->u.nvme.cmd_dma,
fd->rqstlen, DMA_TO_DEVICE);
sp->flags &= ~SRB_DMA_VALID;
}
}
static void qla_nvme_release_ls_cmd_kref(struct kref *kref)
{
struct srb *sp = container_of(kref, struct srb, cmd_kref);
@@ -186,6 +198,8 @@ static void qla_nvme_release_ls_cmd_kref(struct kref *kref)
spin_unlock_irqrestore(&priv->cmd_lock, flags);
fd = priv->fd;
qla_nvme_ls_unmap(sp, fd);
fd->done(fd, priv->comp_status);
out:
qla2x00_rel_sp(sp);
@@ -332,6 +346,8 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
dma_sync_single_for_device(&ha->pdev->dev, nvme->u.nvme.cmd_dma,
fd->rqstlen, DMA_TO_DEVICE);
sp->flags |= SRB_DMA_VALID;
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x700e,
@@ -339,6 +355,7 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
wake_up(&sp->nvme_ls_waitq);
sp->priv = NULL;
priv->sp = NULL;
qla_nvme_ls_unmap(sp, fd);
qla2x00_rel_sp(sp);
return rval;
}