Fix the bug of signal handler

Change-Id: I296c472586bd30e01faec2cd4679377bcec995fd

diff --git a/server/src/muse_server_signal.c b/server/src/muse_server_signal.c
index 7e66442..652515f 100644 (file)
--- a/server/src/muse_server_signal.c
+++ b/server/src/muse_server_signal.c
@@ -89,6 +89,8 @@ static void _ms_signal_backtrace(void *arg)
        char err_msg[MUSE_MSG_LEN_MAX] = {'\0',};
        char client_buf[MUSE_MSG_LEN_MAX];
 
+       muse_return_if_fail(arg);
+
        g_mutex_lock(&signal_lock);
 
        LOGE("----------BEGIN MUSE DYING MESSAGE----------");
@@ -100,7 +102,6 @@ static void _ms_signal_backtrace(void *arg)
        }
 
        uctxt = (ucontext_t *)arg;
-       muse_return_if_fail(uctxt);
 
        #if defined(REG_EIP)
        trace[1] = (void *) uctxt->uc_mcontext.gregs[REG_EIP];