[PATCH] power: supply: core: Delete two error messages for a failed memory allocation in power_supply_check_supplies()

From: SF Markus Elfring
Date: Sat Aug 26 2017 - 13:37:32 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 26 Aug 2017 19:22:32 +0200

Omit extra messages for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/power/supply/power_supply_core.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 540d3e0aa011..3d46863baa52 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -259,18 +259,14 @@ static int power_supply_check_supplies(struct power_supply *psy)
/* All supplies found, allocate char ** array for filling */
psy->supplied_from = devm_kzalloc(&psy->dev, sizeof(psy->supplied_from),
GFP_KERNEL);
- if (!psy->supplied_from) {
- dev_err(&psy->dev, "Couldn't allocate memory for supply list\n");
+ if (!psy->supplied_from)
return -ENOMEM;
- }

*psy->supplied_from = devm_kzalloc(&psy->dev,
sizeof(char *) * (cnt - 1),
GFP_KERNEL);
- if (!*psy->supplied_from) {
- dev_err(&psy->dev, "Couldn't allocate memory for supply list\n");
+ if (!*psy->supplied_from)
return -ENOMEM;
- }

return power_supply_populate_supplied_from(psy);
}
--
2.14.0