[PATCH V3 5/8] pktcdvd: Add struct pktcdvd_device.name to pr_err logging where possible

From: Joe Perches
Date: Mon Jun 03 2013 - 12:46:34 EST


Add a new pkt_err macro to prefix the name to the logging output.
Convert pr_err where there is a non-null struct pktcdvd_device.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Improved-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---

V3: Moved pkt_err location to proper place

drivers/block/pktcdvd.c | 44 ++++++++++++++++++++++++--------------------
1 file changed, 24 insertions(+), 20 deletions(-)

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 13c1e02..e71e23d 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -71,6 +71,9 @@

#define DRIVER_NAME "pktcdvd"

+#define pkt_err(pd, fmt, ...) \
+ pr_err("%s: " fmt, pd->name, ##__VA_ARGS__)
+
#define pkt_dbg(level, pd, fmt, ...) \
do { \
if (level == 2 && PACKET_DEBUG >= 2) \
@@ -938,7 +941,7 @@ static int pkt_set_segment_merging(struct pktcdvd_device *pd, struct request_que
set_bit(PACKET_MERGE_SEGS, &pd->flags);
return 0;
} else {
- pr_err("cdrom max_phys_segments too small\n");
+ pkt_err(pd, "cdrom max_phys_segments too small\n");
return -EIO;
}
}
@@ -1745,7 +1748,7 @@ static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd)
/*
* paranoia
*/
- pr_err("write mode wrong %d\n", wp->data_block_type);
+ pkt_err(pd, "write mode wrong %d\n", wp->data_block_type);
return 1;
}
wp->packet_size = cpu_to_be32(pd->settings.size >> 2);
@@ -1789,7 +1792,7 @@ static int pkt_writable_track(struct pktcdvd_device *pd, track_information *ti)
if (ti->rt == 1 && ti->blank == 0)
return 1;

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

@@ -1822,7 +1825,7 @@ static int pkt_writable_disc(struct pktcdvd_device *pd, disc_information *di)
}

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

@@ -1832,7 +1835,7 @@ static int pkt_writable_disc(struct pktcdvd_device *pd, disc_information *di)
}

if (di->border_status == PACKET_SESSION_RESERVED) {
- pr_err("can't write to last track (reserved)\n");
+ pkt_err(pd, "can't write to last track (reserved)\n");
return 0;
}

@@ -1857,7 +1860,7 @@ 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))) {
- pr_err("failed get_disc\n");
+ pkt_err(pd, "failed get_disc\n");
return ret;
}

@@ -1868,12 +1871,12 @@ 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))) {
- pr_err("failed get_track\n");
+ pkt_err(pd, "failed get_track\n");
return ret;
}

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

@@ -1887,7 +1890,7 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd)
return -ENXIO;
}
if (pd->settings.size > PACKET_MAX_SECTORS) {
- pr_err("packet size is too big\n");
+ pkt_err(pd, "packet size is too big\n");
return -EROFS;
}
pd->settings.fp = ti.fp;
@@ -1929,7 +1932,7 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd)
pd->settings.block_mode = PACKET_BLOCK_MODE2;
break;
default:
- pr_err("unknown data mode\n");
+ pkt_err(pd, "unknown data mode\n");
return -EROFS;
}
return 0;
@@ -1963,7 +1966,7 @@ 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) {
- pr_err("write caching control failed\n");
+ pkt_err(pd, "write caching control failed\n");
pkt_dump_sense(&cgc);
} else if (!ret && set)
pr_notice("enabled write caching on %s\n", pd->name);
@@ -2202,7 +2205,7 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
goto out;

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

@@ -2232,7 +2235,7 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)

if (write) {
if (!pkt_grow_pktlist(pd, CONFIG_CDROM_PKTCDVD_BUFFERS)) {
- pr_err("not enough memory for buffers\n");
+ pkt_err(pd, "not enough memory for buffers\n");
ret = -ENOMEM;
goto out_putdev;
}
@@ -2355,8 +2358,8 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio)

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

@@ -2384,7 +2387,7 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio)
}

if (!bio->bi_size || (bio->bi_size % CD_FRAMESIZE)) {
- pr_err("wrong bio size\n");
+ pkt_err(pd, "wrong bio size\n");
goto end_io;
}

@@ -2605,7 +2608,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
struct block_device *bdev;

if (pd->pkt_dev == dev) {
- pr_err("recursive setup not allowed\n");
+ pkt_err(pd, "recursive setup not allowed\n");
return -EBUSY;
}
for (i = 0; i < MAX_WRITERS; i++) {
@@ -2613,11 +2616,12 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
if (!pd2)
continue;
if (pd2->bdev->bd_dev == dev) {
- pr_err("%s already setup\n", bdevname(pd2->bdev, b));
+ pkt_err(pd, "%s already setup\n",
+ bdevname(pd2->bdev, b));
return -EBUSY;
}
if (pd2->pkt_dev == dev) {
- pr_err("can't chain pktcdvd devices\n");
+ pkt_err(pd, "can't chain pktcdvd devices\n");
return -EBUSY;
}
}
@@ -2640,7 +2644,7 @@ 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)) {
- pr_err("can't start kernel thread\n");
+ pkt_err(pd, "can't start kernel thread\n");
ret = -ENOMEM;
goto out_mem;
}
--
1.8.1.2.459.gbcd45b4.dirty

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