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bsc: Fix possible crash when the lchan->conn alloc failed

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Another null pointer dereference found by clang.
This commit is contained in:
Holger Hans Peter Freyther
2011-01-16 18:15:26 +01:00
parent 91f587ed98
commit 05bbec7227
1 changed files with 5 additions and 2 deletions
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7
openbsc/src/bsc_api.c
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@@ -478,9 +478,12 @@ int gsm0408_rcvmsg(struct msgb *msg, uint8_t link_id)
} else { } else {
rc = BSC_API_CONN_POL_REJECT; rc = BSC_API_CONN_POL_REJECT;
lchan->conn = subscr_con_allocate(msg->lchan); lchan->conn = subscr_con_allocate(msg->lchan);
if (!lchan->conn) {
lchan_release(lchan, 0, 0);
return -1;
}
if (lchan->conn) rc = api->compl_l3(lchan->conn, msg, 0);
rc = api->compl_l3(lchan->conn, msg, 0);
if (rc != BSC_API_CONN_POL_ACCEPT) { if (rc != BSC_API_CONN_POL_ACCEPT) {
lchan->conn->lchan = NULL; lchan->conn->lchan = NULL;