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Commit ada94973 authored by RAGHU Halharvi's avatar RAGHU Halharvi Committed by Jens Axboe
Browse files

pktcdvd: remove assignment in if condition 



* Remove checkpatch errors caused due to assignment operation in if
condition

Signed-off-by: default avatarRAGHU Halharvi <raghuhack78@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 6ce3dd6e

drivers/block/pktcdvd.c

+46 −23
Original line number Diff line number Diff line
@@ -798,7 +798,8 @@ static noinline_for_stack int pkt_set_speed(struct pktcdvd_device *pd, 
	cgc.cmd[4] = (write_speed >> 8) & 0xff;

	cgc.cmd[5] = write_speed & 0xff;



	if ((ret = pkt_generic_packet(pd, &cgc)))

	ret = pkt_generic_packet(pd, &cgc);

	if (ret)

		pkt_dump_sense(pd, &cgc);



	return ret;
@@ -1562,7 +1563,8 @@ static int pkt_get_disc_info(struct pktcdvd_device *pd, disc_information *di) 
	cgc.cmd[8] = cgc.buflen = 2;

	cgc.quiet = 1;



	if ((ret = pkt_generic_packet(pd, &cgc)))

	ret = pkt_generic_packet(pd, &cgc);

	if (ret)

		return ret;



	/* not all drives have the same disc_info length, so requeue
@@ -1591,7 +1593,8 @@ static int pkt_get_track_info(struct pktcdvd_device *pd, __u16 track, __u8 type, 
	cgc.cmd[8] = 8;

	cgc.quiet = 1;



	if ((ret = pkt_generic_packet(pd, &cgc)))

	ret = pkt_generic_packet(pd, &cgc);

	if (ret)

		return ret;



	cgc.buflen = be16_to_cpu(ti->track_information_length) +
@@ -1612,17 +1615,20 @@ static noinline_for_stack int pkt_get_last_written(struct pktcdvd_device *pd, 
	__u32 last_track;

	int ret = -1;



	if ((ret = pkt_get_disc_info(pd, &di)))

	ret = pkt_get_disc_info(pd, &di);

	if (ret)

		return ret;



	last_track = (di.last_track_msb << 8) | di.last_track_lsb;

	if ((ret = pkt_get_track_info(pd, last_track, 1, &ti)))

	ret = pkt_get_track_info(pd, last_track, 1, &ti);

	if (ret)

		return ret;



	/* if this track is blank, try the previous. */

	if (ti.blank) {

		last_track--;

		if ((ret = pkt_get_track_info(pd, last_track, 1, &ti)))

		ret = pkt_get_track_info(pd, last_track, 1, &ti);

		if (ret)

			return ret;

	}
@@ -1657,7 +1663,8 @@ static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd) 
	memset(buffer, 0, sizeof(buffer));

	init_cdrom_command(&cgc, buffer, sizeof(*wp), CGC_DATA_READ);

	cgc.sense = &sense;

	if ((ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0))) {

	ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0);

	if (ret) {

		pkt_dump_sense(pd, &cgc);

		return ret;

	}
@@ -1672,7 +1679,8 @@ static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd) 
	 */

	init_cdrom_command(&cgc, buffer, size, CGC_DATA_READ);

	cgc.sense = &sense;

	if ((ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0))) {

	ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0);

	if (ret) {

		pkt_dump_sense(pd, &cgc);

		return ret;

	}
@@ -1714,7 +1722,8 @@ static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd) 
	wp->packet_size = cpu_to_be32(pd->settings.size >> 2);



	cgc.buflen = cgc.cmd[8] = size;

	if ((ret = pkt_mode_select(pd, &cgc))) {

	ret = pkt_mode_select(pd, &cgc);

	if (ret) {

		pkt_dump_sense(pd, &cgc);

		return ret;

	}
@@ -1819,7 +1828,8 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd) 
	memset(&di, 0, sizeof(disc_information));

	memset(&ti, 0, sizeof(track_information));



	if ((ret = pkt_get_disc_info(pd, &di))) {

	ret = pkt_get_disc_info(pd, &di);

	if (ret) {

		pkt_err(pd, "failed get_disc\n");

		return ret;

	}
@@ -1830,7 +1840,8 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd) 
	pd->type = di.erasable ? PACKET_CDRW : PACKET_CDR;



	track = 1; /* (di.last_track_msb << 8) | di.last_track_lsb; */

	if ((ret = pkt_get_track_info(pd, track, 1, &ti))) {

	ret = pkt_get_track_info(pd, track, 1, &ti);

	if (ret) {

		pkt_err(pd, "failed get_track\n");

		return ret;

	}
@@ -1918,7 +1929,8 @@ static noinline_for_stack int pkt_write_caching(struct pktcdvd_device *pd, 
	 */

	cgc.quiet = 1;



	if ((ret = pkt_mode_sense(pd, &cgc, GPMODE_WCACHING_PAGE, 0)))

	ret = pkt_mode_sense(pd, &cgc, GPMODE_WCACHING_PAGE, 0);

	if (ret)

		return ret;



	buf[pd->mode_offset + 10] |= (!!set << 2);
@@ -2093,7 +2105,8 @@ static noinline_for_stack int pkt_perform_opc(struct pktcdvd_device *pd) 
	cgc.timeout = 60*HZ;

	cgc.cmd[0] = GPCMD_SEND_OPC;

	cgc.cmd[1] = 1;

	if ((ret = pkt_generic_packet(pd, &cgc)))

	ret = pkt_generic_packet(pd, &cgc);

	if (ret)

		pkt_dump_sense(pd, &cgc);

	return ret;

}
@@ -2103,19 +2116,22 @@ static int pkt_open_write(struct pktcdvd_device *pd) 
	int ret;

	unsigned int write_speed, media_write_speed, read_speed;



	if ((ret = pkt_probe_settings(pd))) {

	ret = pkt_probe_settings(pd);

	if (ret) {

		pkt_dbg(2, pd, "failed probe\n");

		return ret;

	}



	if ((ret = pkt_set_write_settings(pd))) {

	ret = pkt_set_write_settings(pd);

	if (ret) {

		pkt_dbg(1, pd, "failed saving write settings\n");

		return -EIO;

	}



	pkt_write_caching(pd, USE_WCACHING);



	if ((ret = pkt_get_max_speed(pd, &write_speed)))

	ret = pkt_get_max_speed(pd, &write_speed);

	if (ret)

		write_speed = 16 * 177;

	switch (pd->mmc3_profile) {

		case 0x13: /* DVD-RW */
@@ -2124,7 +2140,8 @@ static int pkt_open_write(struct pktcdvd_device *pd) 
			pkt_dbg(1, pd, "write speed %ukB/s\n", write_speed);

			break;

		default:

			if ((ret = pkt_media_speed(pd, &media_write_speed)))

			ret = pkt_media_speed(pd, &media_write_speed);

			if (ret)

				media_write_speed = 16;

			write_speed = min(write_speed, media_write_speed * 177);

			pkt_dbg(1, pd, "write speed %ux\n", write_speed / 176);
@@ -2132,14 +2149,16 @@ static int pkt_open_write(struct pktcdvd_device *pd) 
	}

	read_speed = write_speed;



	if ((ret = pkt_set_speed(pd, write_speed, read_speed))) {

	ret = pkt_set_speed(pd, write_speed, read_speed);

	if (ret) {

		pkt_dbg(1, pd, "couldn't set write speed\n");

		return -EIO;

	}

	pd->write_speed = write_speed;

	pd->read_speed = read_speed;



	if ((ret = pkt_perform_opc(pd))) {

	ret = pkt_perform_opc(pd);

	if (ret) {

		pkt_dbg(1, pd, "Optimum Power Calibration failed\n");

	}
@@ -2161,10 +2180,12 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write) 
	 * so bdget() can't fail.

	 */

	bdget(pd->bdev->bd_dev);

	if ((ret = blkdev_get(pd->bdev, FMODE_READ | FMODE_EXCL, pd)))

	ret = blkdev_get(pd->bdev, FMODE_READ | FMODE_EXCL, pd);

	if (ret)

		goto out;



	if ((ret = pkt_get_last_written(pd, &lba))) {

	ret = pkt_get_last_written(pd, &lba);

	if (ret) {

		pkt_err(pd, "pkt_get_last_written failed\n");

		goto out_putdev;

	}
@@ -2175,7 +2196,8 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write) 


	q = bdev_get_queue(pd->bdev);

	if (write) {

		if ((ret = pkt_open_write(pd)))

		ret = pkt_open_write(pd);

		if (ret)

			goto out_putdev;

		/*

		 * Some CDRW drives can not handle writes larger than one packet,
@@ -2190,7 +2212,8 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write) 
		clear_bit(PACKET_WRITABLE, &pd->flags);

	}



	if ((ret = pkt_set_segment_merging(pd, q)))

	ret = pkt_set_segment_merging(pd, q);

	if (ret)

		goto out_putdev;



	if (write) {