Check the return value of devm_kzalloc() to fix possible NULL pointer
dereference and properly exit the probe() on memory allocation failure.
Signed-off-by: Krzysztof Kozlowski <k.kozlow...@samsung.com>
---
drivers/power/max8925_power.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/power/max8925_power.c b/drivers/power/max8925_power.c
index b4513f284bbc..0cf237808d47 100644
--- a/drivers/power/max8925_power.c
+++ b/drivers/power/max8925_power.c
@@ -452,13 +452,14 @@ max8925_power_dt_init(struct platform_device *pdev)
pdata = devm_kzalloc(&pdev->dev,
sizeof(struct max8925_power_pdata),
GFP_KERNEL);
+ if (!pdata)
+ goto ret;
of_property_read_u32(np, "topoff-threshold", &topoff_threshold);
of_property_read_u32(np, "batt-detect", &batt_detect);
of_property_read_u32(np, "fast-charge", &fast_charge);
of_property_read_u32(np, "no-insert-detect", &no_insert_detect);
of_property_read_u32(np, "no-temp-support", &no_temp_support);
- of_node_put(np);
pdata->batt_detect = batt_detect;
pdata->fast_charge = fast_charge;
@@ -466,6 +467,8 @@ max8925_power_dt_init(struct platform_device *pdev)
pdata->no_insert_detect = no_insert_detect;
pdata->no_temp_support = no_temp_support;
+ret:
+ of_node_put(np);
return pdata;
}
#else
--
1.9.1
--
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