pktcdvd: add struct pktcdvd_device.name to pr_err logging where possible

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.

Includes improvements from Andy Shevchenko.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 24 insertions, 20 deletions

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 5050c7abb6ee..3dbe42fe1bdd 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;
         }
 }
@@ -1743,7 +1746,7 @@ 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);
@@ -1787,7 +1790,7 @@ 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;
 }
 
@@ -1820,7 +1823,7 @@ 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;
         }
 
@@ -1830,7 +1833,7 @@ 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;
         }
 
@@ -1855,7 +1858,7 @@ 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;
         }
 
@@ -1866,12 +1869,12 @@ 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;
         }
 
@@ -1885,7 +1888,7 @@ 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;
@@ -1927,7 +1930,7 @@ 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;
@@ -1961,7 +1964,7 @@ 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);
@@ -2200,7 +2203,7 @@ 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;
         }
 
@@ -2230,7 +2233,7 @@ 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;
                 }
@@ -2352,8 +2355,8 @@ 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;
         }
 
@@ -2381,7 +2384,7 @@ 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;
         }
 
@@ -2602,7 +2605,7 @@ 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++) {
@@ -2610,11 +2613,12 @@ 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;
                 }
         }
@@ -2637,7 +2641,7 @@ 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;
         }