kenmirrors/asterisk
1
0
Fork 0
mirror of https://github.com/asterisk/asterisk.git synced 2025-11-13 05:18:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add safety NULL pointer check in module user references.

Browse Source 
Made __ast_module_user_remove() check for NULL pointers.
........

Merged revision 375860 from C.3


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@375862 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2012-11-05 21:36:56 +00:00
parent 2ae2531c0b
commit f20a72153b
1 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
main/loader.c
View File

@@ -206,13 +206,14 @@ void ast_module_unregister(const struct ast_module_info *info)
}
}
struct ast_module_user *__ast_module_user_add(struct ast_module *mod,
struct ast_channel *chan)
struct ast_module_user *__ast_module_user_add(struct ast_module *mod, struct ast_channel *chan)
{
struct ast_module_user *u = ast_calloc(1, sizeof(*u));
struct ast_module_user *u;
if (!u)
u = ast_calloc(1, sizeof(*u));
if (!u) {
return NULL;
}
u->chan = chan;
@@ -229,6 +230,9 @@ struct ast_module_user *__ast_module_user_add(struct ast_module *mod,
void __ast_module_user_remove(struct ast_module *mod, struct ast_module_user *u)
{
if (!u) {
return;
}
AST_LIST_LOCK(&mod->users);
AST_LIST_REMOVE(&mod->users, u, entry);
AST_LIST_UNLOCK(&mod->users);