From a23bbec205b9b9b5f75af1811fe89d0598104b88 Mon Sep 17 00:00:00 2001 From: Alexander Shishkin Date: Fri, 5 Oct 2018 15:43:06 +0300 Subject: stm class: Use memcat_p() Instead of a local copy, use the memcat_p() helper to merge policy node attributes. Signed-off-by: Alexander Shishkin Tested-by: Mathieu Poirier Signed-off-by: Greg Kroah-Hartman --- drivers/hwtracing/stm/policy.c | 29 +---------------------------- 1 file changed, 1 insertion(+), 28 deletions(-) (limited to 'drivers/hwtracing/stm') diff --git a/drivers/hwtracing/stm/policy.c b/drivers/hwtracing/stm/policy.c index 5e51bed0787b..0910ec807187 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; -- cgit v1.2.3