Instead of a local copy, use the memcat_p() helper to merge policy node attributes.
Signed-off-by: Alexander Shishkin <[email protected]> --- drivers/hwtracing/stm/policy.c | 29 +---------------------------- 1 file changed, 1 insertion(+), 28 deletions(-) diff --git a/drivers/hwtracing/stm/policy.c b/drivers/hwtracing/stm/policy.c index 894598cfe2b7..2e3841ee7030 100644 --- a/drivers/hwtracing/stm/policy.c +++ b/drivers/hwtracing/stm/policy.c @@ -202,33 +202,6 @@ static struct configfs_attribute *stp_policy_node_attrs[] = { static const struct config_item_type stp_policy_type; static const struct config_item_type stp_policy_node_type; -/* lifted from arch/x86/events/core.c */ -static struct configfs_attribute **merge_attr(struct configfs_attribute **a, struct configfs_attribute **b) -{ - struct configfs_attribute **new; - int j, i; - - for (j = 0; a[j]; j++) - ; - for (i = 0; b[i]; i++) - j++; - j++; - - new = kmalloc_array(j, sizeof(struct configfs_attribute *), - GFP_KERNEL); - if (!new) - return NULL; - - j = 0; - for (i = 0; a[i]; i++) - new[j++] = a[i]; - for (i = 0; b[i]; i++) - new[j++] = b[i]; - new[j] = NULL; - - return new; -} - const struct config_item_type * get_policy_node_type(struct configfs_attribute **attrs) { @@ -240,7 +213,7 @@ get_policy_node_type(struct configfs_attribute **attrs) if (!type) return NULL; - merged = merge_attr(stp_policy_node_attrs, attrs); + merged = memcat_p(stp_policy_node_attrs, attrs); if (!merged) { kfree(type); return NULL; -- 2.18.0
