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SubjectRe: [PATCH] mtd: mtdswap: fix spelling mistake "erassure" -> "erasure"
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I'd suggest as well fixing all the dev_<level> uses
to be a consistent form: (this also fixes the typo)
and a few other bits

o Coalesce formats
o Realign arguments
o Add missing newlines
o Convert printk(KERN_<LEVEL> to pr_<level>(
o Add #define pr_fmt, remove MTDSWAP_PREFIX

Reduces object size a little too
---
 drivers/mtd/mtdswap.c | 74 +++++++++++++++++++++++----------------------------
 1 file changed, 34 insertions(+), 40 deletions(-)

diff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c
index cb06bdd21a1b..60ca953b3314 100644
--- a/drivers/mtd/mtdswap.c
+++ b/drivers/mtd/mtdswap.c
@@ -24,6 +24,8 @@
  * 02110-1301 USA
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include 
 #include 
 #include 
@@ -39,8 +41,6 @@
 #include 
 #include 
 
-#define MTDSWAP_PREFIX "mtdswap"
-
 /*
  * The number of free eraseblocks when GC should stop
  */
@@ -282,8 +282,8 @@ static int mtdswap_handle_badblock(struct mtdswap_dev *d, struct swap_eb *eb)
  ret = mtd_block_markbad(d->mtd, offset);
 
  if (ret) {
- dev_warn(d->dev, "Mark block bad failed for block at %08llx "
- "error %d\n", offset, ret);
+ dev_warn(d->dev, "Mark block bad failed for block at %08llx error %d\n",
+  offset, ret);
  return ret;
  }
 
@@ -319,14 +319,13 @@ static int mtdswap_read_oob(struct mtdswap_dev *d, loff_t from,
 
  if (ret) {
  dev_warn(d->dev, "Read OOB failed %d for block at %08llx\n",
- ret, from);
+  ret, from);
  return ret;
  }
 
  if (ops->oobretlen < ops->ooblen) {
- dev_warn(d->dev, "Read OOB return short read (%zd bytes not "
- "%zd) for block at %08llx\n",
- ops->oobretlen, ops->ooblen, from);
+ dev_warn(d->dev, "Read OOB return short read (%zd bytes not %zd) for block at %08llx\n",
+  ops->oobretlen, ops->ooblen, from);
  return -EIO;
  }
 
@@ -406,17 +405,16 @@ static int mtdswap_write_marker(struct mtdswap_dev *d, struct swap_eb *eb,
  ret = mtd_write_oob(d->mtd, offset, &ops);
 
  if (ret) {
- dev_warn(d->dev, "Write OOB failed for block at %08llx "
- "error %d\n", offset, ret);
+ dev_warn(d->dev, "Write OOB failed for block at %08llx error %d\n",
+  offset, ret);
  if (ret == -EIO || mtd_is_eccerr(ret))
  mtdswap_handle_write_error(d, eb);
  return ret;
  }
 
  if (ops.oobretlen != ops.ooblen) {
- dev_warn(d->dev, "Short OOB write for block at %08llx: "
- "%zd not %zd\n",
- offset, ops.oobretlen, ops.ooblen);
+ dev_warn(d->dev, "Short OOB write for block at %08llx: %zd not %zd\n",
+  offset, ops.oobretlen, ops.ooblen);
  return ret;
  }
 
@@ -571,8 +569,8 @@ static int mtdswap_erase_block(struct mtdswap_dev *d, struct swap_eb *eb)
  if (ret) {
  if (retries++ < MTDSWAP_ERASE_RETRIES) {
  dev_warn(d->dev,
- "erase of erase block %#llx on %s failed",
- erase.addr, mtd->name);
+  "erase of erase block %#llx on %s failed\n",
+  erase.addr, mtd->name);
  yield();
  goto retry;
  }
@@ -587,7 +585,7 @@ static int mtdswap_erase_block(struct mtdswap_dev *d, struct swap_eb *eb)
  ret = wait_event_interruptible(wq, erase.state == MTD_ERASE_DONE ||
     erase.state == MTD_ERASE_FAILED);
  if (ret) {
- dev_err(d->dev, "Interrupted erase block %#llx erassure on %s",
+ dev_err(d->dev, "Interrupted erase block %#llx erasure on %s\n",
  erase.addr, mtd->name);
  return -EINTR;
  }
@@ -595,8 +593,8 @@ static int mtdswap_erase_block(struct mtdswap_dev *d, struct swap_eb *eb)
  if (erase.state == MTD_ERASE_FAILED) {
  if (retries++ < MTDSWAP_ERASE_RETRIES) {
  dev_warn(d->dev,
- "erase of erase block %#llx on %s failed",
- erase.addr, mtd->name);
+  "erase of erase block %#llx on %s failed\n",
+  erase.addr, mtd->name);
  yield();
  goto retry;
  }
@@ -699,13 +697,13 @@ static int mtdswap_write_block(struct mtdswap_dev *d, char *buf,
  }
 
  if (ret < 0) {
- dev_err(d->dev, "Write to MTD device failed: %d (%zd written)",
+ dev_err(d->dev, "Write to MTD device failed: %d (%zd written)\n",
  ret, retlen);
  goto err;
  }
 
  if (retlen != PAGE_SIZE) {
- dev_err(d->dev, "Short write to MTD device: %zd written",
+ dev_err(d->dev, "Short write to MTD device: %zd written\n",
  retlen);
  ret = -EIO;
  goto err;
@@ -742,8 +740,7 @@ static int mtdswap_move_block(struct mtdswap_dev *d, unsigned int oldblock,
  oldeb = d->eb_data + oldblock / d->pages_per_eblk;
  oldeb->flags |= EBLOCK_READERR;
 
- dev_err(d->dev, "Read Error: %d (block %u)\n", ret,
- oldblock);
+ dev_err(d->dev, "Read Error: %d (block %u)\n", ret, oldblock);
  retries++;
  if (retries < MTDSWAP_IO_RETRIES)
  goto retry;
@@ -752,8 +749,8 @@ static int mtdswap_move_block(struct mtdswap_dev *d, unsigned int oldblock,
  }
 
  if (retlen != PAGE_SIZE) {
- dev_err(d->dev, "Short read: %zd (block %u)\n", retlen,
-        oldblock);
+ dev_err(d->dev, "Short read: %zd (block %u)\n",
+ retlen, oldblock);
  ret = -EIO;
  goto read_error;
  }
@@ -1404,7 +1401,7 @@ static int mtdswap_init(struct mtdswap_dev *d, unsigned int eblocks,
 revmap_fail:
  vfree(d->page_data);
 page_data_fail:
- printk(KERN_ERR "%s: init failed (%d)\n", MTDSWAP_PREFIX, ret);
+ pr_err("init failed (%d)\n", ret);
  return ret;
 }
 
@@ -1435,21 +1432,20 @@ static void mtdswap_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
  return;
 
  if (mtd->erasesize < PAGE_SIZE || mtd->erasesize % PAGE_SIZE) {
- printk(KERN_ERR "%s: Erase size %u not multiple of PAGE_SIZE "
- "%lu\n", MTDSWAP_PREFIX, mtd->erasesize, PAGE_SIZE);
+ pr_err("Erase size %u not multiple of PAGE_SIZE %lu\n",
+        mtd->erasesize, PAGE_SIZE);
  return;
  }
 
  if (PAGE_SIZE % mtd->writesize || mtd->writesize > PAGE_SIZE) {
- printk(KERN_ERR "%s: PAGE_SIZE %lu not multiple of write size"
- " %u\n", MTDSWAP_PREFIX, PAGE_SIZE, mtd->writesize);
+ pr_err("PAGE_SIZE %lu not multiple of write size %u\n",
+        PAGE_SIZE, mtd->writesize);
  return;
  }
 
  if (!mtd->oobsize || mtd->oobavail < MTDSWAP_OOBSIZE) {
- printk(KERN_ERR "%s: Not enough free bytes in OOB, "
- "%d available, %zu needed.\n",
- MTDSWAP_PREFIX, mtd->oobavail, MTDSWAP_OOBSIZE);
+ pr_err("Not enough free bytes in OOB, %d available, %zu needed\n",
+ mtd->oobavail, MTDSWAP_OOBSIZE);
  return;
  }
 
@@ -1460,8 +1456,8 @@ static void mtdswap_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
  size_limit = (uint64_t) BLOCK_MAX * PAGE_SIZE;
 
  if (mtd->size > size_limit) {
- printk(KERN_WARNING "%s: Device too large. Limiting size to "
- "%llu bytes\n", MTDSWAP_PREFIX, size_limit);
+ pr_warn("Device too large - limiting size to %llu bytes\n",
+ size_limit);
  use_size = size_limit;
  }
 
@@ -1471,9 +1467,8 @@ static void mtdswap_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
  eavailable = eblocks - bad_blocks;
 
  if (eavailable < MIN_ERASE_BLOCKS) {
- printk(KERN_ERR "%s: Not enough erase blocks. %u available, "
- "%d needed\n", MTDSWAP_PREFIX, eavailable,
- MIN_ERASE_BLOCKS);
+ pr_err("Not enough erase blocks. %u available, %d needed\n",
+        eavailable, MIN_ERASE_BLOCKS);
  return;
  }
 
@@ -1488,9 +1483,8 @@ static void mtdswap_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
  swap_size = (uint64_t)(eavailable - spare_cnt) * mtd->erasesize +
  (header ? PAGE_SIZE : 0);
 
- printk(KERN_INFO "%s: Enabling MTD swap on device %lu, size %llu KB, "
- "%u spare, %u bad blocks\n",
- MTDSWAP_PREFIX, part, swap_size / 1024, spare_cnt, bad_blocks);
+ pr_info("Enabling MTD swap on device %lu, size %llu KB, %u spare, %u bad blocks\n",
+ part, swap_size / 1024, spare_cnt, bad_blocks);
 
  d = kzalloc(sizeof(struct mtdswap_dev), GFP_KERNEL);
  if (!d)

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