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-rw-r--r--nuttx/ChangeLog3
-rw-r--r--nuttx/drivers/mtd/mtd_partition.c13
2 files changed, 10 insertions, 6 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog
index 83502eee6..941b02e41 100644
--- a/nuttx/ChangeLog
+++ b/nuttx/ChangeLog
@@ -5917,3 +5917,6 @@
header file (2013-10-30).
* arch/arm/src/sama5/chip/sam_pwm.h: PWM register definition
header file (2013-10-31).
+ * drivers/mtd/mtd_partition.c: Fix erase block vs page block confusion.
+ From Ken Pettit (2013-10-31).
+
diff --git a/nuttx/drivers/mtd/mtd_partition.c b/nuttx/drivers/mtd/mtd_partition.c
index 699a2fa5a..91ccdc74f 100644
--- a/nuttx/drivers/mtd/mtd_partition.c
+++ b/nuttx/drivers/mtd/mtd_partition.c
@@ -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 */
- 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;
}
@@ -379,8 +379,9 @@ static int part_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
{
/* Erase the entire partition */
- ret = priv->parent->erase(priv->parent, priv->firstblock,
- priv->neraseblocks * priv->blkpererase);
+ ret = priv->parent->erase(priv->parent,
+ priv->firstblock / priv->blkpererase,
+ priv->neraseblocks);
}
break;
@@ -461,7 +462,7 @@ FAR struct mtd_dev_s *mtd_partition(FAR struct mtd_dev_s *mtd, off_t firstblock,
fdbg("ERROR: sub-region too small\n");
return NULL;
}
-
+
/* Verify that the sub-region is valid for this geometry */
devblocks = blkpererase * geo.neraseblocks;
@@ -477,7 +478,7 @@ FAR struct mtd_dev_s *mtd_partition(FAR struct mtd_dev_s *mtd, off_t firstblock,
if (!part)
{
fdbg("ERROR: Failed to allocate memory for the partition device\n");
- return NULL;
+ return NULL;
}
/* Initialize the partition device structure. (unsupported methods were