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mtd: ofpart: Check availability of reg property instead of name property

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The previous implementation breaks the dts binding "mtd-physmap.txt". This
implementation fixes the issue by checking the availability of the reg
property instead of the name property.

Cc: stable@kernel.org
Signed-off-by: Benjamin Krill <ben@codiert.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Benjamin Krill 2009-08-25 15:52:41 +02:00 committed by David Woodhouse
parent 9289d4ef06
commit ebd5a74db7
1 changed files with 10 additions and 11 deletions
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21
drivers/mtd/ofpart.c
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@ -46,21 +46,12 @@ int __devinit of_mtd_parse_partitions(struct device *dev,
const u32 *reg;
int len;
/* check if this is a partition node */
partname = of_get_property(pp, "name", &len);
if (strcmp(partname, "partition") != 0) {
reg = of_get_property(pp, "reg", &len);
if (!reg) {
nr_parts--;
continue;
}
reg = of_get_property(pp, "reg", &len);
if (!reg || (len != 2 * sizeof(u32))) {
of_node_put(pp);
dev_err(dev, "Invalid 'reg' on %s\n", node->full_name);
kfree(*pparts);
*pparts = NULL;
return -EINVAL;
}
(*pparts)[i].offset = reg[0];
(*pparts)[i].size = reg[1];
@ -75,6 +66,14 @@ int __devinit of_mtd_parse_partitions(struct device *dev,
i++;
}
if (!i) {
of_node_put(pp);
dev_err(dev, "No valid partition found on %s\n", node->full_name);
kfree(*pparts);
*pparts = NULL;
return -EINVAL;
}
return nr_parts;
}
EXPORT_SYMBOL(of_mtd_parse_partitions);