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regulator: prevent registration of matching regulator consumer supplies

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Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

Pointer comparison is not sufficient for non-NULL device name matching,
so use strcmp(). Otherwise the semantics remain the same.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Jani Nikula 2010-04-29 10:55:09 +03:00 committed by Liam Girdwood
parent 0178f3e28e
commit 23b5cc2ab6
1 changed files with 6 additions and 1 deletions
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7
drivers/regulator/core.c
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@ -944,8 +944,13 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
has_dev = 0;
list_for_each_entry(node, &regulator_map_list, list) {
if (consumer_dev_name != node->dev_name)
if (node->dev_name && consumer_dev_name) {
if (strcmp(node->dev_name, consumer_dev_name) != 0)
continue;
} else if (node->dev_name || consumer_dev_name) {
continue;
}
if (strcmp(node->supply, supply) != 0)
continue;