From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 1 Oct 2016 16:01:05 +0200
The kfree() function was called in up to three cases
by the lockres_init() function during error handling even if
the passed data structure member (or variable) contained a null pointer.
Adjust jump targets according to the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/md/md-cluster.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 36bb962..0cade1a 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -201,12 +201,12 @@ static struct dlm_lock_resource *lockres_init(struct mddev *mddev,
namelen = strlen(name);
res->name = kzalloc(namelen + 1, GFP_KERNEL);
if (!res->name)
- goto out_err;
+ goto free_resource;
strlcpy(res->name, name, namelen + 1);
if (with_lvb) {
res->lksb.sb_lvbptr = kzalloc(LVB_SIZE, GFP_KERNEL);
if (!res->lksb.sb_lvbptr)
- goto out_err;
+ goto free_name;
res->flags = DLM_LKF_VALBLK;
}
@@ -218,15 +218,17 @@ static struct dlm_lock_resource *lockres_init(struct mddev *mddev,
ret = dlm_lock_sync(res, DLM_LOCK_NL);
if (ret) {
pr_err("md-cluster: Unable to lock NL on new lock resource %s\n", name);
- goto out_err;
+ goto free_lvb;
}
res->flags &= ~DLM_LKF_EXPEDITE;
res->flags |= DLM_LKF_CONVERT;
return res;
-out_err:
+free_lvb:
kfree(res->lksb.sb_lvbptr);
+free_name:
kfree(res->name);
+free_resource:
kfree(res);
return NULL;
}
--
2.10.0
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