[PATCH 6.1 017/198] scsi: mpi3mr: Fix config page DMA memory leak

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Tomas Henzl <thenzl@xxxxxxxxxx>

[ Upstream commit 7d2b02172b6a2ae6aecd7ef6480b9c4bf3dc59f4 ]

A fix for:

DMA-API: pci 0000:83:00.0: device driver has pending DMA allocations while released from device [count=1]

Fixes: 32d457d5a2af ("scsi: mpi3mr: Add framework to issue config requests")
Signed-off-by: Tomas Henzl <thenzl@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230302234336.25456-3-thenzl@xxxxxxxxxx
Acked-by: Sathya Prakash Veerichetty <sathya.prakash@xxxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/scsi/mpi3mr/mpi3mr_fw.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 2d46a0b04f345..f6b726359a1cc 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -4351,7 +4351,11 @@ void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc)
 		    mrioc->admin_req_base, mrioc->admin_req_dma);
 		mrioc->admin_req_base = NULL;
 	}
-
+	if (mrioc->cfg_page) {
+		dma_free_coherent(&mrioc->pdev->dev, mrioc->cfg_page_sz,
+		    mrioc->cfg_page, mrioc->cfg_page_dma);
+		mrioc->cfg_page = NULL;
+	}
 	if (mrioc->pel_seqnum_virt) {
 		dma_free_coherent(&mrioc->pdev->dev, mrioc->pel_seqnum_sz,
 		    mrioc->pel_seqnum_virt, mrioc->pel_seqnum_dma);
-- 
2.39.2






[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux