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scsi: ufs: rpmb: Use unaligned accessors for RPMB frames

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RPMB frame buffers are passed as u8 pointers and do not have an alignment
guarantee. Use unaligned accessors for the req_resp field.

Signed-off-by: Li Qiang <liqiang01@kylinos.cn>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Link: https://patch.msgid.link/20260717153914.26321-6-liqiang01@kylinos.cn
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Li Qiang 2026-07-17 23:39:12 +08:00 committed by Martin K. Petersen
parent a947b8edbd
commit 2f434f815e
1 changed files with 2 additions and 2 deletions
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4
drivers/ufs/core/ufs-rpmb.c
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@ -73,7 +73,7 @@ static int ufs_rpmb_route_frames(struct device *dev, u8 *req, unsigned int req_l
if (req_len < sizeof(*frm_out))
return -EINVAL;
req_type = be16_to_cpu(frm_out->req_resp);
req_type = get_unaligned_be16(&frm_out->req_resp);
switch (req_type) {
case RPMB_PROGRAM_KEY:
@ -111,7 +111,7 @@ static int ufs_rpmb_route_frames(struct device *dev, u8 *req, unsigned int req_l
struct rpmb_frame *frm_resp = (struct rpmb_frame *)resp;
memset(frm_resp, 0, sizeof(*frm_resp));
frm_resp->req_resp = cpu_to_be16(RPMB_RESULT_READ);
put_unaligned_be16(RPMB_RESULT_READ, &frm_resp->req_resp);
ret = ufs_sec_submit(hba, protocol_id, resp, resp_len, true);
if (ret) {
dev_err(dev, "Result read request failed with ret=%d\n", ret);