[PATCH V2 2/8] pktcdvd: Convert printk to pr_<level>

From: Joe Perches
Date: Sat Jun 01 2013 - 00:12:07 EST

Use a more current logging style and add messages levels
to the logging messages.

Simplify pkt_dump_sense by using %*ph and adding a simple
function to emit the sense string.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Improved-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
drivers/block/pktcdvd.c | 123 ++++++++++++++++++++++++------------------------
1 file changed, 62 insertions(+), 61 deletions(-)

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 9dcb601..12bdce4 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -44,6 +44,8 @@
*
*************************************************************************/

+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/pktcdvd.h>
#include <linux/module.h>
#include <linux/types.h>
@@ -424,7 +426,7 @@ static int pkt_sysfs_init(void)
if (ret) {
kfree(class_pktcdvd);
class_pktcdvd = NULL;
- printk(DRIVER_NAME": failed to create class pktcdvd\n");
+ pr_err("failed to create class pktcdvd\n");
return ret;
}
return 0;
@@ -734,36 +736,33 @@ out:
return ret;
}

+static const char *sense_key_string(__u8 index)
+{
+ static const char *info[9] = {
+ "No sense", "Recovered error", "Not ready",
+ "Medium error", "Hardware error", "Illegal request",
+ "Unit attention", "Data protect", "Blank check"
+ };
+ if (index < 8)
+ return info[index];
+ return "INVALID";
+}
+
/*
* A generic sense dump / resolve mechanism should be implemented across
* all ATAPI + SCSI devices.
*/
static void pkt_dump_sense(struct packet_command *cgc)
{
- static char *info[9] = { "No sense", "Recovered error", "Not ready",
- "Medium error", "Hardware error", "Illegal request",
- "Unit attention", "Data protect", "Blank check" };
- int i;
struct request_sense *sense = cgc->sense;

- printk(DRIVER_NAME":");
- for (i = 0; i < CDROM_PACKET_SIZE; i++)
- printk(" %02x", cgc->cmd[i]);
- printk(" - ");
-
- if (sense == NULL) {
- printk("no sense\n");
- return;
- }
-
- printk("sense %02x.%02x.%02x", sense->sense_key, sense->asc, sense->ascq);
-
- if (sense->sense_key > 8) {
- printk(" (INVALID)\n");
- return;
- }
-
- printk(" (%s)\n", info[sense->sense_key]);
+ if (sense)
+ pr_err("%*ph - sense %02x.%02x.%02x (%s)\n",
+ CDROM_PACKET_SIZE, cgc->cmd,
+ sense->sense_key, sense->asc, sense->ascq,
+ sense_key_string(sense->sense_key));
+ else
+ pr_err("%*ph - no sense\n", CDROM_PACKET_SIZE, cgc->cmd);
}

/*
@@ -943,7 +942,7 @@ static int pkt_set_segment_merging(struct pktcdvd_device *pd, struct request_que
set_bit(PACKET_MERGE_SEGS, &pd->flags);
return 0;
} else {
- printk(DRIVER_NAME": cdrom max_phys_segments too small\n");
+ pr_err("cdrom max_phys_segments too small\n");
return -EIO;
}
}
@@ -1565,9 +1564,10 @@ work_to_do:

static void pkt_print_settings(struct pktcdvd_device *pd)
{
- printk(DRIVER_NAME": %s packets, ", pd->settings.fp ? "Fixed" : "Variable");
- printk("%u blocks, ", pd->settings.size >> 2);
- printk("Mode-%c disc\n", pd->settings.block_mode == 8 ? '1' : '2');
+ pr_info("%s packets, %u blocks, Mode-%c disc\n",
+ pd->settings.fp ? "Fixed" : "Variable",
+ pd->settings.size >> 2,
+ pd->settings.block_mode == 8 ? '1' : '2');
}

static int pkt_mode_sense(struct pktcdvd_device *pd, struct packet_command *cgc, int page_code, int page_control)
@@ -1751,7 +1751,7 @@ static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd)
/*
* paranoia
*/
- printk(DRIVER_NAME": write mode wrong %d\n", wp->data_block_type);
+ pr_err("write mode wrong %d\n", wp->data_block_type);
return 1;
}
wp->packet_size = cpu_to_be32(pd->settings.size >> 2);
@@ -1795,7 +1795,7 @@ static int pkt_writable_track(struct pktcdvd_device *pd, track_information *ti)
if (ti->rt == 1 && ti->blank == 0)
return 1;

- printk(DRIVER_NAME": bad state %d-%d-%d\n", ti->rt, ti->blank, ti->packet);
+ pr_err("bad state %d-%d-%d\n", ti->rt, ti->blank, ti->packet);
return 0;
}

@@ -1822,22 +1822,22 @@ static int pkt_writable_disc(struct pktcdvd_device *pd, disc_information *di)
* but i'm not sure, should we leave this to user apps? probably.
*/
if (di->disc_type == 0xff) {
- printk(DRIVER_NAME": Unknown disc. No track?\n");
+ pr_notice("unknown disc - no track?\n");
return 0;
}

if (di->disc_type != 0x20 && di->disc_type != 0) {
- printk(DRIVER_NAME": Wrong disc type (%x)\n", di->disc_type);
+ pr_err("wrong disc type (%x)\n", di->disc_type);
return 0;
}

if (di->erasable == 0) {
- printk(DRIVER_NAME": Disc not erasable\n");
+ pr_notice("disc not erasable\n");
return 0;
}

if (di->border_status == PACKET_SESSION_RESERVED) {
- printk(DRIVER_NAME": Can't write to last track (reserved)\n");
+ pr_err("can't write to last track (reserved)\n");
return 0;
}

@@ -1862,7 +1862,7 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd)
memset(&ti, 0, sizeof(track_information));

if ((ret = pkt_get_disc_info(pd, &di))) {
- printk("failed get_disc\n");
+ pr_err("failed get_disc\n");
return ret;
}

@@ -1873,12 +1873,12 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd)

track = 1; /* (di.last_track_msb << 8) | di.last_track_lsb; */
if ((ret = pkt_get_track_info(pd, track, 1, &ti))) {
- printk(DRIVER_NAME": failed get_track\n");
+ pr_err("failed get_track\n");
return ret;
}

if (!pkt_writable_track(pd, &ti)) {
- printk(DRIVER_NAME": can't write to this track\n");
+ pr_err("can't write to this track\n");
return -EROFS;
}

@@ -1888,11 +1888,11 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd)
*/
pd->settings.size = be32_to_cpu(ti.fixed_packet_size) << 2;
if (pd->settings.size == 0) {
- printk(DRIVER_NAME": detected zero packet size!\n");
+ pr_notice("detected zero packet size!\n");
return -ENXIO;
}
if (pd->settings.size > PACKET_MAX_SECTORS) {
- printk(DRIVER_NAME": packet size is too big\n");
+ pr_err("packet size is too big\n");
return -EROFS;
}
pd->settings.fp = ti.fp;
@@ -1934,7 +1934,7 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd)
pd->settings.block_mode = PACKET_BLOCK_MODE2;
break;
default:
- printk(DRIVER_NAME": unknown data mode\n");
+ pr_err("unknown data mode\n");
return -EROFS;
}
return 0;
@@ -1968,10 +1968,10 @@ static noinline_for_stack int pkt_write_caching(struct pktcdvd_device *pd,
cgc.buflen = cgc.cmd[8] = 2 + ((buf[0] << 8) | (buf[1] & 0xff));
ret = pkt_mode_select(pd, &cgc);
if (ret) {
- printk(DRIVER_NAME": write caching control failed\n");
+ pr_err("write caching control failed\n");
pkt_dump_sense(&cgc);
} else if (!ret && set)
- printk(DRIVER_NAME": enabled write caching on %s\n", pd->name);
+ pr_notice("enabled write caching on %s\n", pd->name);
return ret;
}

@@ -2086,11 +2086,11 @@ static noinline_for_stack int pkt_media_speed(struct pktcdvd_device *pd,
}

if (!(buf[6] & 0x40)) {
- printk(DRIVER_NAME": Disc type is not CD-RW\n");
+ pr_notice("disc type is not CD-RW\n");
return 1;
}
if (!(buf[6] & 0x4)) {
- printk(DRIVER_NAME": A1 values on media are not valid, maybe not CDRW?\n");
+ pr_notice("A1 values on media are not valid, maybe not CDRW?\n");
return 1;
}

@@ -2110,14 +2110,14 @@ static noinline_for_stack int pkt_media_speed(struct pktcdvd_device *pd,
*speed = us_clv_to_speed[sp];
break;
default:
- printk(DRIVER_NAME": Unknown disc sub-type %d\n",st);
+ pr_notice("unknown disc sub-type %d\n", st);
return 1;
}
if (*speed) {
- printk(DRIVER_NAME": Max. media speed: %d\n",*speed);
+ pr_info("maximum media speed: %d\n", *speed);
return 0;
} else {
- printk(DRIVER_NAME": Unknown speed %d for sub-type %d\n",sp,st);
+ pr_notice("unknown speed %d for sub-type %d\n", sp, st);
return 1;
}
}
@@ -2207,7 +2207,7 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
goto out;

if ((ret = pkt_get_last_written(pd, &lba))) {
- printk(DRIVER_NAME": pkt_get_last_written failed\n");
+ pr_err("pkt_get_last_written failed\n");
goto out_putdev;
}

@@ -2237,11 +2237,11 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)

if (write) {
if (!pkt_grow_pktlist(pd, CONFIG_CDROM_PKTCDVD_BUFFERS)) {
- printk(DRIVER_NAME": not enough memory for buffers\n");
+ pr_err("not enough memory for buffers\n");
ret = -ENOMEM;
goto out_putdev;
}
- printk(DRIVER_NAME": %lukB available on disc\n", lba << 1);
+ pr_info("%lukB available on disc\n", lba << 1);
}

return 0;
@@ -2363,7 +2363,8 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio)

pd = q->queuedata;
if (!pd) {
- printk(DRIVER_NAME": %s incorrect request queue\n", bdevname(bio->bi_bdev, b));
+ pr_err("%s incorrect request queue\n",
+ bdevname(bio->bi_bdev, b));
goto end_io;
}

@@ -2385,13 +2386,13 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio)
}

if (!test_bit(PACKET_WRITABLE, &pd->flags)) {
- printk(DRIVER_NAME": WRITE for ro device %s (%llu)\n",
- pd->name, (unsigned long long)bio->bi_sector);
+ pr_notice("WRITE for ro device %s (%llu)\n",
+ pd->name, (unsigned long long)bio->bi_sector);
goto end_io;
}

if (!bio->bi_size || (bio->bi_size % CD_FRAMESIZE)) {
- printk(DRIVER_NAME": wrong bio size\n");
+ pr_err("wrong bio size\n");
goto end_io;
}

@@ -2612,7 +2613,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
struct block_device *bdev;

if (pd->pkt_dev == dev) {
- printk(DRIVER_NAME": Recursive setup not allowed\n");
+ pr_err("recursive setup not allowed\n");
return -EBUSY;
}
for (i = 0; i < MAX_WRITERS; i++) {
@@ -2620,11 +2621,11 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
if (!pd2)
continue;
if (pd2->bdev->bd_dev == dev) {
- printk(DRIVER_NAME": %s already setup\n", bdevname(pd2->bdev, b));
+ pr_err("%s already setup\n", bdevname(pd2->bdev, b));
return -EBUSY;
}
if (pd2->pkt_dev == dev) {
- printk(DRIVER_NAME": Can't chain pktcdvd devices\n");
+ pr_err("can't chain pktcdvd devices\n");
return -EBUSY;
}
}
@@ -2647,7 +2648,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
atomic_set(&pd->cdrw.pending_bios, 0);
pd->cdrw.thread = kthread_run(kcdrwd, pd, "%s", pd->name);
if (IS_ERR(pd->cdrw.thread)) {
- printk(DRIVER_NAME": can't start kernel thread\n");
+ pr_err("can't start kernel thread\n");
ret = -ENOMEM;
goto out_mem;
}
@@ -2746,7 +2747,7 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev)
if (!pkt_devs[idx])
break;
if (idx == MAX_WRITERS) {
- printk(DRIVER_NAME": max %d writers supported\n", MAX_WRITERS);
+ pr_err("max %d writers supported\n", MAX_WRITERS);
ret = -EBUSY;
goto out_mutex;
}
@@ -2821,7 +2822,7 @@ out_mem:
kfree(pd);
out_mutex:
mutex_unlock(&ctl_mutex);
- printk(DRIVER_NAME": setup of pktcdvd device failed\n");
+ pr_err("setup of pktcdvd device failed\n");
return ret;
}

@@ -2972,7 +2973,7 @@ static int __init pkt_init(void)

ret = register_blkdev(pktdev_major, DRIVER_NAME);
if (ret < 0) {
- printk(DRIVER_NAME": Unable to register block device\n");
+ pr_err("unable to register block device\n");
goto out2;
}
if (!pktdev_major)
@@ -2986,7 +2987,7 @@ static int __init pkt_init(void)

ret = misc_register(&pkt_misc);
if (ret) {
- printk(DRIVER_NAME": Unable to register misc device\n");
+ pr_err("unable to register misc device\n");
goto out_misc;
}

--
1.8.1.2.459.gbcd45b4.dirty

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