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-rw-r--r--xlators/features/trash/src/trash.c38
1 files changed, 25 insertions, 13 deletions
diff --git a/xlators/features/trash/src/trash.c b/xlators/features/trash/src/trash.c
index d0e48506d4a..fb9ca9a0ee5 100644
--- a/xlators/features/trash/src/trash.c
+++ b/xlators/features/trash/src/trash.c
@@ -173,7 +173,7 @@ check_whether_eliminate_path (trash_elim_path *trav, const char *path)
* Stores the eliminate path into internal eliminate path structure
*/
int
-store_eliminate_path (char *str, trash_elim_path *eliminate)
+store_eliminate_path (char *str, trash_elim_path **eliminate)
{
trash_elim_path *trav = NULL;
char *component = NULL;
@@ -181,6 +181,11 @@ store_eliminate_path (char *str, trash_elim_path *eliminate)
int ret = 0;
char *strtokptr = NULL;
+ if (eliminate == NULL) {
+ ret = EINVAL;
+ goto out;
+ }
+
component = strtok_r (str, ",", &strtokptr);
while (component) {
trav = GF_CALLOC (1, sizeof (*trav),
@@ -203,8 +208,8 @@ store_eliminate_path (char *str, trash_elim_path *eliminate)
gf_log ("trash", GF_LOG_DEBUG, "out of memory");
goto out;
}
- trav->next = eliminate;
- eliminate = trav;
+ trav->next = *eliminate;
+ *eliminate = trav;
component = strtok_r (NULL, ",", &strtokptr);
}
out:
@@ -259,13 +264,20 @@ out:
* recursive call
*/
void
-wipe_eliminate_path (trash_elim_path *trav)
+wipe_eliminate_path (trash_elim_path **trav)
{
- if (trav) {
- wipe_eliminate_path (trav->next);
- GF_FREE (trav->path);
- GF_FREE (trav);
+ if (trav == NULL) {
+ return;
}
+
+ if (*trav == NULL) {
+ return;
+ }
+
+ wipe_eliminate_path (&(*trav)->next);
+ GF_FREE ((*trav)->path);
+ GF_FREE (*trav);
+ *trav = NULL;
}
/**
@@ -1967,7 +1979,7 @@ reconfigure (xlator_t *this, dict_t *options)
"no option specified for 'eliminate', using NULL");
} else {
if (priv->eliminate)
- wipe_eliminate_path (priv->eliminate);
+ wipe_eliminate_path (&priv->eliminate);
tmp_str = gf_strdup (tmp);
if (!tmp_str) {
@@ -1975,7 +1987,7 @@ reconfigure (xlator_t *this, dict_t *options)
ret = ENOMEM;
goto out;
}
- ret = store_eliminate_path (tmp_str, priv->eliminate);
+ ret = store_eliminate_path (tmp_str, &priv->eliminate);
}
@@ -2256,7 +2268,7 @@ init (xlator_t *this)
ret = ENOMEM;
goto out;
}
- ret = store_eliminate_path (tmp_str, priv->eliminate);
+ ret = store_eliminate_path (tmp_str, &priv->eliminate);
}
tmp = NULL;
@@ -2326,7 +2338,7 @@ out:
if (priv->brick_path)
GF_FREE (priv->brick_path);
if (priv->eliminate)
- wipe_eliminate_path (priv->eliminate);
+ wipe_eliminate_path (&priv->eliminate);
GF_FREE (priv);
}
mem_pool_destroy (this->local_pool);
@@ -2353,7 +2365,7 @@ fini (xlator_t *this)
if (priv->brick_path)
GF_FREE (priv->brick_path);
if (priv->eliminate)
- wipe_eliminate_path (priv->eliminate);
+ wipe_eliminate_path (&priv->eliminate);
GF_FREE (priv);
}
mem_pool_destroy (this->local_pool);