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authorNishka Dasgupta <nishkadg.linux@gmail.com>2019-07-06 16:21:30 +0300
committerGuenter Roeck <linux@roeck-us.net>2019-07-09 04:11:32 +0300
commit9f7546570bcb20debfaa97bcf720fa0fcb8fc05a (patch)
tree9473f5b1ea6c5edf19e64b2a9c3a4537ea8d2e88 /drivers/hwmon/ina3221.c
parent277c628fa5acf363b73cdd3793700dc575a988c0 (diff)
downloadlinux-9f7546570bcb20debfaa97bcf720fa0fcb8fc05a.tar.xz
hwmon: (ina3221) Add of_node_put() before return
Each iteration of for_each_child_of_node puts the previous node, but in the case of a return from the middle of the loop, there is no put, thus causing a memory leak. Hence add an of_node_put before the return. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com> Link: https://lore.kernel.org/r/20190706132130.3129-1-nishkadg.linux@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/ina3221.c')
-rw-r--r--drivers/hwmon/ina3221.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c
index 55943b4dcc7b..0037e2bdacd6 100644
--- a/drivers/hwmon/ina3221.c
+++ b/drivers/hwmon/ina3221.c
@@ -713,8 +713,10 @@ static int ina3221_probe_from_dt(struct device *dev, struct ina3221_data *ina)
for_each_child_of_node(np, child) {
ret = ina3221_probe_child_from_dt(dev, child, ina);
- if (ret)
+ if (ret) {
+ of_node_put(child);
return ret;
+ }
}
return 0;