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Fix erase block vs page block confusion in MTD partition logic. From Ken Pettit

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Gregory Nutt
2013-10-31 10:40:10 -06:00
parent aebeb50a91
commit adeb33fdd2
2 changed files with 10 additions and 6 deletions
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ChangeLog
+3
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@@ -5917,3 +5917,6 @@
header file (2013-10-30). header file (2013-10-30).
* arch/arm/src/sama5/chip/sam_pwm.h: PWM register definition * arch/arm/src/sama5/chip/sam_pwm.h: PWM register definition
header file (2013-10-31). header file (2013-10-31).
* drivers/mtd/mtd_partition.c: Fix erase block vs page block confusion.
From Ken Pettit (2013-10-31).
drivers/mtd/mtd_partition.c
+5 -4
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@@ -162,9 +162,9 @@ static int part_erase(FAR struct mtd_dev_s *dev, off_t startblock,
/* Make sure that erase would not extend past the end of the partition */ /* Make sure that erase would not extend past the end of the partition */
if (!part_blockcheck(priv, startblock + nblocks - 1)) if (!part_blockcheck(priv, (startblock + nblocks - 1) * priv->blkpererase))
{ {
fdbg("ERROR: Read beyond the end of the partition\n"); fdbg("ERROR: Erase beyond the end of the partition\n");
return -ENXIO; return -ENXIO;
} }
@@ -379,8 +379,9 @@ static int part_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
{ {
/* Erase the entire partition */ /* Erase the entire partition */
ret = priv->parent->erase(priv->parent, priv->firstblock, ret = priv->parent->erase(priv->parent,
priv->neraseblocks * priv->blkpererase); priv->firstblock / priv->blkpererase,
priv->neraseblocks);
} }
break; break;