[PATCH 5.3 140/180] scsi: qla2xxx: Fix different size DMA Alloc/Unmap

Greg Kroah-Hartman
2019-12-16T18:12:50Z

From: Quinn Tran <qutran@marvell.com>

[ Upstream commit d376dbda187317d06d3a2d495b43a7983e4a3250 ]

[ 17.177276] qla2xxx 0000:05:00.0: DMA-API: device driver frees DMA memory
with different size [device address=0x00000006198b0000] [map size=32784 bytes]
[unmap size=8208 bytes]
[ 17.177390] RIP: 0010:check_unmap+0x7a2/0x1750
[ 17.177425] Call Trace:
[ 17.177438] debug_dma_free_coherent+0x1b5/0x2d5
[ 17.177470] dma_free_attrs+0x7f/0x140
[ 17.177489] qla24xx_sp_unmap+0x1e2/0x610 [qla2xxx]
[ 17.177509] qla24xx_async_gnnft_done+0x9c6/0x17d0 [qla2xxx]
[ 17.177535] qla2x00_do_work+0x514/0x2200 [qla2xxx]

Fixes: b5f3bc39a0e8 ("scsi: qla2xxx: Fix inconsistent DMA mem alloc/free")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/scsi/qla2xxx/qla_gs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 9f58e591666da..ebf223cfebbc5 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -4152,7 +4152,7 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
rspsz,
&sp->u.iocb_cmd.u.ctarg.rsp_dma,
GFP_KERNEL);
- sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = sizeof(struct ct_sns_pkt);
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size = rspsz;
if (!sp->u.iocb_cmd.u.ctarg.rsp) {
ql_log(ql_log_warn, vha, 0xffff,
"Failed to allocate ct_sns request.\n");
--
2.20.1