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qcacmn: Add a missing lock for del_ast

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Add a missing lock for protecting AST table while
deleting an AST entry in STA roaming case

Change-Id: I38b08c71e4080867780ba81063ac9d7a73962e04
This commit is contained in:
Pamidipati, Vijay
2018-08-23 16:00:44 +05:30
committed by nshrivas
parent a76abc45d7
commit 3eab5b1b92
2 changed files with 6 additions and 0 deletions
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2
dp/wifi3.0/dp_main.c
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@@ -3890,9 +3890,11 @@ static void *dp_peer_create_wifi3(struct cdp_vdev *vdev_handle,
* If an AST entry exists, but no peer entry exists with a given * If an AST entry exists, but no peer entry exists with a given
* MAC addresses, we could deduce it as a WDS entry * MAC addresses, we could deduce it as a WDS entry
*/ */
qdf_spin_lock_bh(&soc->ast_lock);
ast_entry = dp_peer_ast_hash_find(soc, peer_mac_addr); ast_entry = dp_peer_ast_hash_find(soc, peer_mac_addr);
if (ast_entry) if (ast_entry)
dp_peer_del_ast(soc, ast_entry); dp_peer_del_ast(soc, ast_entry);
qdf_spin_unlock_bh(&soc->ast_lock);
} }
#ifdef notyet #ifdef notyet

4
dp/wifi3.0/dp_peer.c
View File

@@ -548,6 +548,10 @@ void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry)
soc->ast_table[ast_entry->ast_idx] = NULL; soc->ast_table[ast_entry->ast_idx] = NULL;
TAILQ_REMOVE(&peer->ast_entry_list, ast_entry, ase_list_elem); TAILQ_REMOVE(&peer->ast_entry_list, ast_entry, ase_list_elem);
if (ast_entry == peer->self_ast_entry)
peer->self_ast_entry = NULL;
DP_STATS_INC(soc, ast.deleted, 1); DP_STATS_INC(soc, ast.deleted, 1);
dp_peer_ast_hash_remove(soc, ast_entry); dp_peer_ast_hash_remove(soc, ast_entry);
qdf_mem_free(ast_entry); qdf_mem_free(ast_entry);