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mtd: cmdlinepart: skip partitions truncated to zero

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Perform flash size truncation before skipping zero sized partition
so that if the result is a zero sized, it will be skipped like the
others.

Signed-off-by: Christopher Cordahi <christophercordahi@nanometrics.ca>
Acked-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Christopher Cordahi 2012-12-16 19:59:30 -05:00 committed by Artem Bityutskiy
parent e25e0a4de1
commit ebf4f0707d
1 changed files with 8 additions and 9 deletions
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17
drivers/mtd/cmdlinepart.c
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@ -330,6 +330,14 @@ static int parse_cmdline_partitions(struct mtd_info *master,
if (part->parts[i].size == SIZE_REMAINING)
part->parts[i].size = master->size - offset;
if (offset + part->parts[i].size > master->size) {
printk(KERN_WARNING ERRP
"%s: partitioning exceeds flash size, truncating\n",
part->mtd_id);
part->parts[i].size = master->size - offset;
}
offset += part->parts[i].size;
if (part->parts[i].size == 0) {
printk(KERN_WARNING ERRP
"%s: skipping zero sized partition\n",
@ -338,16 +346,7 @@ static int parse_cmdline_partitions(struct mtd_info *master,
memmove(&part->parts[i], &part->parts[i + 1],
sizeof(*part->parts) * (part->num_parts - i));
i--;
continue;
}
if (offset + part->parts[i].size > master->size) {
printk(KERN_WARNING ERRP
"%s: partitioning exceeds flash size, truncating\n",
part->mtd_id);
part->parts[i].size = master->size - offset;
}
offset += part->parts[i].size;
}
*pparts = kmemdup(part->parts, sizeof(*part->parts) * part->num_parts,