summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/mpi3mr
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-06-05 09:25:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-06-05 09:25:12 -0700
commitb2c9a83d262a8feb022e24e9f9aadb66cb10a7a8 (patch)
tree6f3ded2dbdfd308e04bd781bc33bdb8af3a45558 /drivers/scsi/mpi3mr
parent2981436374177f78539b026ce5bcbab8c251818e (diff)
parentaa2a4ded05058f134a4dee1424f829d662e00cda (diff)
downloadlinux-b2c9a83d262a8feb022e24e9f9aadb66cb10a7a8.tar.bz2
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley: "Mostly small bug fixes plus other trivial updates. The major change of note is moving ufs out of scsi and a minor update to lpfc vmid handling" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (24 commits) scsi: qla2xxx: Remove unused 'ql_dm_tgt_ex_pct' parameter scsi: qla2xxx: Remove setting of 'req' and 'rsp' parameters scsi: mpi3mr: Fix kernel-doc scsi: lpfc: Add support for ATTO Fibre Channel devices scsi: core: Return BLK_STS_TRANSPORT for ALUA transitioning scsi: sd_zbc: Prevent zone information memory leak scsi: sd: Fix potential NULL pointer dereference scsi: mpi3mr: Rework mrioc->bsg_device model to fix warnings scsi: myrb: Fix up null pointer access on myrb_cleanup() scsi: core: Unexport scsi_bus_type scsi: sd: Don't call blk_cleanup_disk() in sd_probe() scsi: ufs: ufshcd: Delete unnecessary NULL check scsi: isci: Fix typo in comment scsi: pmcraid: Fix typo in comment scsi: smartpqi: Fix typo in comment scsi: qedf: Fix typo in comment scsi: esas2r: Fix typo in comment scsi: storvsc: Fix typo in comment scsi: ufs: Split the drivers/scsi/ufs directory scsi: qla1280: Remove redundant variable ...
Diffstat (limited to 'drivers/scsi/mpi3mr')
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr.h2
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_app.c50
2 files changed, 24 insertions, 28 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h
index 01cd01787b0f..0e1cb4aa4ca2 100644
--- a/drivers/scsi/mpi3mr/mpi3mr.h
+++ b/drivers/scsi/mpi3mr/mpi3mr.h
@@ -954,7 +954,7 @@ struct mpi3mr_ioc {
u16 active_poll_qcount;
u16 requested_poll_qcount;
- struct device *bsg_dev;
+ struct device bsg_dev;
struct request_queue *bsg_queue;
u8 stop_bsgs;
u8 *logdata_buf;
diff --git a/drivers/scsi/mpi3mr/mpi3mr_app.c b/drivers/scsi/mpi3mr/mpi3mr_app.c
index 9ab1762468ad..9baac224b213 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_app.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_app.c
@@ -1487,28 +1487,28 @@ static int mpi3mr_bsg_request(struct bsg_job *job)
*/
void mpi3mr_bsg_exit(struct mpi3mr_ioc *mrioc)
{
+ struct device *bsg_dev = &mrioc->bsg_dev;
if (!mrioc->bsg_queue)
return;
bsg_remove_queue(mrioc->bsg_queue);
mrioc->bsg_queue = NULL;
- device_del(mrioc->bsg_dev);
- put_device(mrioc->bsg_dev);
- kfree(mrioc->bsg_dev);
+ device_del(bsg_dev);
+ put_device(bsg_dev);
}
/**
* mpi3mr_bsg_node_release -release bsg device node
* @dev: bsg device node
*
- * decrements bsg dev reference count
+ * decrements bsg dev parent reference count
*
* Return:Nothing
*/
static void mpi3mr_bsg_node_release(struct device *dev)
{
- put_device(dev);
+ put_device(dev->parent);
}
/**
@@ -1521,41 +1521,37 @@ static void mpi3mr_bsg_node_release(struct device *dev)
*/
void mpi3mr_bsg_init(struct mpi3mr_ioc *mrioc)
{
- mrioc->bsg_dev = kzalloc(sizeof(struct device), GFP_KERNEL);
- if (!mrioc->bsg_dev) {
- ioc_err(mrioc, "bsg device mem allocation failed\n");
- return;
- }
+ struct device *bsg_dev = &mrioc->bsg_dev;
+ struct device *parent = &mrioc->shost->shost_gendev;
+
+ device_initialize(bsg_dev);
+
+ bsg_dev->parent = get_device(parent);
+ bsg_dev->release = mpi3mr_bsg_node_release;
- device_initialize(mrioc->bsg_dev);
- dev_set_name(mrioc->bsg_dev, "mpi3mrctl%u", mrioc->id);
+ dev_set_name(bsg_dev, "mpi3mrctl%u", mrioc->id);
- if (device_add(mrioc->bsg_dev)) {
+ if (device_add(bsg_dev)) {
ioc_err(mrioc, "%s: bsg device add failed\n",
- dev_name(mrioc->bsg_dev));
- goto err_device_add;
+ dev_name(bsg_dev));
+ put_device(bsg_dev);
+ return;
}
- mrioc->bsg_dev->release = mpi3mr_bsg_node_release;
-
- mrioc->bsg_queue = bsg_setup_queue(mrioc->bsg_dev, dev_name(mrioc->bsg_dev),
+ mrioc->bsg_queue = bsg_setup_queue(bsg_dev, dev_name(bsg_dev),
mpi3mr_bsg_request, NULL, 0);
if (IS_ERR(mrioc->bsg_queue)) {
ioc_err(mrioc, "%s: bsg registration failed\n",
- dev_name(mrioc->bsg_dev));
- goto err_setup_queue;
+ dev_name(bsg_dev));
+ device_del(bsg_dev);
+ put_device(bsg_dev);
+ return;
}
blk_queue_max_segments(mrioc->bsg_queue, MPI3MR_MAX_APP_XFER_SEGMENTS);
blk_queue_max_hw_sectors(mrioc->bsg_queue, MPI3MR_MAX_APP_XFER_SECTORS);
return;
-
-err_setup_queue:
- device_del(mrioc->bsg_dev);
- put_device(mrioc->bsg_dev);
-err_device_add:
- kfree(mrioc->bsg_dev);
}
/**
@@ -1693,7 +1689,7 @@ logging_level_store(struct device *dev,
static DEVICE_ATTR_RW(logging_level);
/**
- * adapter_state_show - SysFS callback for adapter state show
+ * adp_state_show() - SysFS callback for adapter state show
* @dev: class device
* @attr: Device attributes
* @buf: Buffer to copy