- Check for failure when putting the packet in the ast_str

- fix a spelling error in a header file


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@155516 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -20132,10 +20132,16 @@ static int sipsock_read(int *id, int fd, short events, void *ignore)
 			ast_log(LOG_WARNING, "Recv error: %s\n", strerror(errno));
 		return 1;
 	}
+
 	readbuf[res] = '\0';
-	if (!(req.data = ast_str_create(SIP_MIN_PACKET)))
+
+	if (!(req.data = ast_str_create(SIP_MIN_PACKET))) {
 		return 1;
-	ast_str_set(&req.data, 0, "%s", readbuf);
+	}
+
+	if (ast_str_set(&req.data, 0, "%s", readbuf) == AST_DYNSTR_BUILD_FAILED) {
+		return -1;
+	}
 
 	req.socket.fd 	= sipsock;
 	req.socket.type = SIP_TRANSPORT_UDP;

include/asterisk/strings.h

@@ -569,7 +569,7 @@ struct ast_str *__ast_str_thread_get(struct ast_threadstorage *ts,
  * interface simplified).
  */
 enum {
-	/*! An error has occured and the contents of the dynamic string
+	/*! An error has occurred and the contents of the dynamic string
 	 *  are undefined */
 	AST_DYNSTR_BUILD_FAILED = -1,
 	/*! The buffer size for the dynamic string had to be increased, and