scsi: qla2xxx: Fix different size DMA Alloc/Unmap

BugLink: https://bugs.launchpad.net/bugs/1856869

[ Upstream commit d376dbd ]

[   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: b5f3bc3 ("scsi: qla2xxx: Fix inconsistent DMA mem alloc/free")
Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Connor Kuehl <[email protected]>
Signed-off-by: Kleber Sacilotto de Souza <[email protected]>

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");