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scsi: mpi3mr: Fix admin queue memory leak upon soft reset 

After a soft reset, while setting up admin queue pairs, the driver
initially sets admin request base and admin reply base addresses to
NULL. This leads to DMA memory pointed by these pointers getting leaked.

Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Link: https://lore.kernel.org/r/20230316110209.60145-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ranjan Kumar 2023-03-16 16:32:03 +05:30 committed by Martin K. Petersen
parent 3f1254ed01
commit 23b3d1cf15
1 changed files with 0 additions and 2 deletions
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2
drivers/scsi/mpi3mr/mpi3mr_fw.c
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@ -2597,14 +2597,12 @@ static int mpi3mr_setup_admin_qpair(struct mpi3mr_ioc *mrioc)
mrioc->num_admin_req = mrioc->admin_req_q_sz /
MPI3MR_ADMIN_REQ_FRAME_SZ;
mrioc->admin_req_ci = mrioc->admin_req_pi = 0;
mrioc->admin_req_base = NULL;
mrioc->admin_reply_q_sz = MPI3MR_ADMIN_REPLY_Q_SIZE;
mrioc->num_admin_replies = mrioc->admin_reply_q_sz /
MPI3MR_ADMIN_REPLY_FRAME_SZ;
mrioc->admin_reply_ci = 0;
mrioc->admin_reply_ephase = 1;
mrioc->admin_reply_base = NULL;
if (!mrioc->admin_req_base) {
mrioc->admin_req_base = dma_alloc_coherent(&mrioc->pdev->dev,