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Subject[PATCH 18/33] power: supply: use match_string() helper
Date
match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.

Cc: Sebastian Reichel <sre@kernel.org>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
---
drivers/power/supply/power_supply_core.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index feac7b0..84da3a2 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -36,8 +36,6 @@
static bool __power_supply_is_supplied_by(struct power_supply *supplier,
struct power_supply *supply)
{
- int i;
-
if (!supply->supplied_from && !supplier->supplied_to)
return false;

@@ -45,18 +43,16 @@ static bool __power_supply_is_supplied_by(struct power_supply *supplier,
if (supply->supplied_from) {
if (!supplier->desc->name)
return false;
- for (i = 0; i < supply->num_supplies; i++)
- if (!strcmp(supplier->desc->name, supply->supplied_from[i]))
- return true;
+ return match_string((const char **)supply->supplied_from,
+ supply->num_supplies,
+ supplier->desc->name) >= 0;
} else {
if (!supply->desc->name)
return false;
- for (i = 0; i < supplier->num_supplicants; i++)
- if (!strcmp(supplier->supplied_to[i], supply->desc->name))
- return true;
+ return match_string((const char **)supplier->supplied_to,
+ supplier->num_supplicants,
+ supply->desc->name) >= 0;
}
-
- return false;
}

static int __power_supply_changed_work(struct device *dev, void *data)
--
1.7.12.4
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