Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d88f6a59 authored by Sahitya Tummala's avatar Sahitya Tummala Committed by Neeraj Soni
Browse files

ufs: ufs-qcom: Fix data corruption issue with FBE on F2FS 



F2FS uses dun for data encryption/decryption via ICE. Hence,
allow the code to use it if a req has a dun. Without this there
will be data corruption issues when FBE is enabled on F2FS.

Change-Id: I02817c2a8a8f75f70e8a9b0988010a6a13ec1860
Signed-off-by: default avatarSahitya Tummala <stummala@codeaurora.org>
parent fed0967f

drivers/scsi/ufs/ufs-qcom.c

+9 −10
Original line number Diff line number Diff line
@@ -897,18 +897,17 @@ static int ufs_qcom_crypto_req_setup(struct ufs_hba *hba, 
		req = lrbp->cmd->request;

	else

		return 0;

	/*

	 * Right now ICE do not support variable dun but can be

	 * taken as future enhancement

	 * if (bio_dun(req->bio)) {

	 *      dun @bio can be split, so we have to adjust offset

	 *      *dun = bio_dun(req->bio);

	 * } else

	 */



	/* Use request LBA or given dun as the DUN value */

	if (req->bio) {

		if (bio_dun(req->bio)) {

			/* dun @bio can be split, so we have to adjust offset */

			*dun = bio_dun(req->bio);

		} else {

			*dun = req->bio->bi_iter.bi_sector;

			*dun >>= UFS_QCOM_ICE_TR_DATA_UNIT_4_KB;

		}

	}



	ret = ufs_qcom_ice_req_setup(host, lrbp->cmd, cc_index, enable);