[Bugfix][T106BUG-308]when firmware update, it will be Segmentation fault

Only Configure:No
Affected branch:master
Affected module:GNSS
Is it affected on both ZXIC and MTK:only ZXIC,
Self-test:Yes,
Doc Update:Yes

Change-Id: Ifdacd1df0a286312ca18da295548b3c6cb0bd9c3
diff --git a/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/include/lynq_qser_gnss.h b/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/include/lynq_qser_gnss.h
index 1fe5ab3..e02832b 100755
--- a/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/include/lynq_qser_gnss.h
+++ b/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/include/lynq_qser_gnss.h
@@ -114,7 +114,7 @@
 int qser_Gnss_Stop(uint32_t h_gnss);
 int qser_Gnss_Delete_Aiding_Data(uint32_t h_gnss,DELETE_AIDING_DATA_TYPE_T flags);
 int qser_Gnss_InjectTime(uint32_t h_gnss,LYNQ_INJECT_TIME_INTO_T *time_info);
-int qser_firmware_update(uint32_t* ph_gnss);
+int qser_firmware_update(uint32_t h_gnss);
 int qser_Gnss_injectEphemeris(uint32_t h_gnss);
 int qser_Gnss_download_tle();
 #ifdef __cplusplus
diff --git a/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/src/lynq_qser_gnss.cpp b/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/src/lynq_qser_gnss.cpp
index 1c4f1bc..c66aafd 100755
--- a/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/src/lynq_qser_gnss.cpp
+++ b/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/src/lynq_qser_gnss.cpp
@@ -242,10 +242,10 @@
     return 0;
 }
 
-int qser_firmware_update(uint32_t* ph_gnss)
+int qser_firmware_update(uint32_t h_gnss)
 {
     int ret;
-    mopen_gnss_firmware_update(*ph_gnss);
+    mopen_gnss_firmware_update(h_gnss);
     if(ret < 0)
     {
         return -1;
@@ -466,7 +466,6 @@
                 return -1;
             }
             lynq_open_gps(1);
-
             if(gpio21_value == 1)
             {
                 ret = set_baudrate(tty_fd, B115200);
@@ -539,7 +538,7 @@
         }
         else if(at_gpsnmea_status == 1)
         {
-            ALOGD("gpsnmea_status = %d\n",at_gpsnmea_status);
+            ALOGE("gpsnmea_status = %d\n",at_gpsnmea_status);
             pthread_create(&thread, NULL, read_gps_data, NULL);
         }
 
diff --git a/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/src/mbtk_gnss.cpp b/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/src/mbtk_gnss.cpp
index a9a0b67..6cc38c0 100755
--- a/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/src/mbtk_gnss.cpp
+++ b/cap/zx297520v3/src/lynq/lib/liblynq-qser-gnss/src/mbtk_gnss.cpp
@@ -1543,21 +1543,14 @@
 */
 int exec_cmd(const char *cmd, char *result)
 {
-    FILE *pipe = popen(cmd, "r");
-    if(!pipe)
-        return -1;
-
-    char buffer[256] = {0};
-    while(!feof(pipe))
+    /*result is not used temporarily*/
+    int ret = -1;
+    ret = system(cmd);
+    if(ret == -1)
     {
-        if(fgets(buffer, 256, pipe))
-        {
-            result[0] = buffer[0];
-            memset(buffer, 0, sizeof(buffer));
-        }
+        ALOGE("cmd system error\n");
+        return ret;
     }
-    
-    pclose(pipe);
     return 0;
 }