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authorJulia Lawall <julia@diku.dk>2011-08-09 11:10:56 -0400
committerGuenter Roeck <guenter.roeck@ericsson.com>2011-08-11 10:14:18 -0700
commit66a89b2164e2d30661edbd1953eacf0594d8203a (patch)
tree4327f52b43071126bdcc0816be3b8305b902e059 /drivers/hwmon/ibmaem.c
parent3a2805e845761ea76a6ad5688d637b2624de0cab (diff)
downloadlinux-66a89b2164e2d30661edbd1953eacf0594d8203a.tar.bz2
hwmon: (ibmaem) add missing kfree
rs_resp is dynamically allocated in aem_read_sensor(), so it should be freed before exiting in every case. This collects the kfree and the return at the end of the function. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: stable@kernel.org # 2.6.27+
Diffstat (limited to 'drivers/hwmon/ibmaem.c')
-rw-r--r--drivers/hwmon/ibmaem.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index 1a409c5bc9bc..c316294c48b4 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -432,13 +432,15 @@ static int aem_read_sensor(struct aem_data *data, u8 elt, u8 reg,
aem_send_message(ipmi);
res = wait_for_completion_timeout(&ipmi->read_complete, IPMI_TIMEOUT);
- if (!res)
- return -ETIMEDOUT;
+ if (!res) {
+ res = -ETIMEDOUT;
+ goto out;
+ }
if (ipmi->rx_result || ipmi->rx_msg_len != rs_size ||
memcmp(&rs_resp->id, &system_x_id, sizeof(system_x_id))) {
- kfree(rs_resp);
- return -ENOENT;
+ res = -ENOENT;
+ goto out;
}
switch (size) {
@@ -463,8 +465,11 @@ static int aem_read_sensor(struct aem_data *data, u8 elt, u8 reg,
break;
}
}
+ res = 0;
- return 0;
+out:
+ kfree(rs_resp);
+ return res;
}
/* Update AEM energy registers */