From 130fc180a48141cb6fbfdb30138a114cf9be61c7 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Mon, 12 Sep 2022 19:27:39 +0530 Subject: [PATCH] scsi: mpi3mr: Free enclosure objects during driver unload Free the enclosure device objects during driver unload and before rescanning the target devices during controller reset. Link: https://lore.kernel.org/r/20220912135742.11764-7-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr.h | 1 + drivers/scsi/mpi3mr/mpi3mr_fw.c | 4 ++++ drivers/scsi/mpi3mr/mpi3mr_os.c | 19 +++++++++++++++++++ 3 files changed, 24 insertions(+) diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 0eb0647..883ed59 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -1392,4 +1392,5 @@ void mpi3mr_refresh_expanders(struct mpi3mr_ioc *mrioc); void mpi3mr_add_event_wait_for_device_refresh(struct mpi3mr_ioc *mrioc); void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc); void mpi3mr_flush_cmds_for_unrecovered_controller(struct mpi3mr_ioc *mrioc); +void mpi3mr_free_enclosure_list(struct mpi3mr_ioc *mrioc); #endif /*MPI3MR_H_INCLUDED*/ diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index abdccff..e3df044 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -4250,6 +4250,8 @@ void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc) u16 i; struct mpi3mr_intr_info *intr_info; + mpi3mr_free_enclosure_list(mrioc); + if (mrioc->sense_buf_pool) { if (mrioc->sense_buf) dma_pool_free(mrioc->sense_buf_pool, mrioc->sense_buf, @@ -4897,6 +4899,8 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc, mpi3mr_flush_host_io(mrioc); mpi3mr_cleanup_fwevt_list(mrioc); mpi3mr_invalidate_devhandles(mrioc); + mpi3mr_free_enclosure_list(mrioc); + if (mrioc->prepare_for_reset) { mrioc->prepare_for_reset = 0; mrioc->prepare_for_reset_timeout_counter = 0; diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index f983e92..282ec4b 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -1335,6 +1335,25 @@ out: } /** + * mpi3mr_free_enclosure_list - release enclosures + * @mrioc: Adapter instance reference + * + * Free memory allocated during encloure add. + * + * Return nothing. + */ +void mpi3mr_free_enclosure_list(struct mpi3mr_ioc *mrioc) +{ + struct mpi3mr_enclosure_node *enclosure_dev, *enclosure_dev_next; + + list_for_each_entry_safe(enclosure_dev, + enclosure_dev_next, &mrioc->enclosure_list, list) { + list_del(&enclosure_dev->list); + kfree(enclosure_dev); + } +} + +/** * mpi3mr_enclosure_find_by_handle - enclosure search by handle * @mrioc: Adapter instance reference * @handle: Firmware device handle of the enclosure -- 2.7.4