libmpdclient: added another connection->sock check

Check if connection->sock is valid in mpd_executeCommand().

diff --git a/src/libmpdclient.c b/src/libmpdclient.c
index 2b4a52c85458a348826a3f6743cf9714cd6cdf6d..dfca0a347a0ae5b0de341f3ba214580427b056fe 100644 (file)
--- a/src/libmpdclient.c
+++ b/src/libmpdclient.c
@@ -451,6 +451,12 @@ static void mpd_executeCommand(mpd_Connection *connection,
        const char *commandPtr = command;
        int commandLen = strlen(command);
 
+       if (connection->sock < 0) {
+               strcpy(connection->errorStr, "not connected");
+               connection->error = MPD_ERROR_CONNCLOSED;
+               return;
+       }
+
        if (!connection->doneProcessing && !connection->commandList) {
                strcpy(connection->errorStr,
                       "not done processing current command");