qcacmn: Avoid reference of peer object after peer_teardown
In API dp_peer_find_by_id return NULL if delete_in_progress
bit is set, this will avoid referencing peer memory which will
be free in peer_unmap event asynchronously.
Change-Id: Ieab559b9274a886809a9baa9bb348d348e924625
CRs-fixed: 2194265
diff --git a/dp/wifi3.0/dp_peer.h b/dp/wifi3.0/dp_peer.h
index b12f947..cfb2ce1 100644
--- a/dp/wifi3.0/dp_peer.h
+++ b/dp/wifi3.0/dp_peer.h
@@ -23,9 +23,8 @@
#include "dp_types.h"
#define DP_INVALID_PEER_ID 0xffff
-
/**
- * dp_peer_find_by_id() - Returns peer object given the peer id
+ * __dp_peer_find_by_id() - Returns peer object given the peer id
*
* @soc : core DP soc context
* @peer_id : peer id from peer object can be retrieved
@@ -33,7 +32,7 @@
* Return: struct dp_peer*: Pointer to DP peer object
*/
static inline struct dp_peer *
-dp_peer_find_by_id(struct dp_soc *soc,
+__dp_peer_find_by_id(struct dp_soc *soc,
uint16_t peer_id)
{
struct dp_peer *peer;
@@ -53,6 +52,30 @@
return peer;
}
+/**
+ * dp_peer_find_by_id() - Returns peer object given the peer id
+ * if delete_in_progress in not set for peer
+ *
+ * @soc : core DP soc context
+ * @peer_id : peer id from peer object can be retrieved
+ *
+ * Return: struct dp_peer*: Pointer to DP peer object
+ */
+static inline struct dp_peer *
+dp_peer_find_by_id(struct dp_soc *soc,
+ uint16_t peer_id)
+{
+ struct dp_peer *peer;
+
+ peer = __dp_peer_find_by_id (soc, peer_id);
+
+ if (peer && peer->delete_in_progress) {
+ return NULL;
+ }
+
+ return peer;
+}
+
void dp_rx_peer_map_handler(void *soc_handle, uint16_t peer_id,
uint16_t hw_peer_id, uint8_t vdev_id, uint8_t *peer_mac_addr);
void dp_rx_peer_unmap_handler(void *soc_handle, uint16_t peer_id);