diff options
Diffstat (limited to 'libwifi_hal')
| -rw-r--r-- | libwifi_hal/driver_tool.cpp | 2 | ||||
| -rw-r--r-- | libwifi_hal/wifi_hal_common.cpp | 22 |
2 files changed, 18 insertions, 6 deletions
diff --git a/libwifi_hal/driver_tool.cpp b/libwifi_hal/driver_tool.cpp index 0b393d782..405254824 100644 --- a/libwifi_hal/driver_tool.cpp +++ b/libwifi_hal/driver_tool.cpp @@ -78,7 +78,7 @@ bool DriverTool::UnloadDriver() { } bool DriverTool::IsDriverLoaded() { - return ::wifi_unload_driver() != 0; + return ::is_wifi_driver_loaded() != 0; } bool DriverTool::IsFirmwareModeChangeNeeded(int mode) { diff --git a/libwifi_hal/wifi_hal_common.cpp b/libwifi_hal/wifi_hal_common.cpp index 413daf7da..d4774bda7 100644 --- a/libwifi_hal/wifi_hal_common.cpp +++ b/libwifi_hal/wifi_hal_common.cpp @@ -43,6 +43,7 @@ extern "C" int delete_module(const char *, unsigned int); #endif static const char DRIVER_PROP_NAME[] = "wlan.driver.status"; +static bool is_driver_loaded = false; #ifdef WIFI_DRIVER_MODULE_PATH static const char DRIVER_MODULE_NAME[] = WIFI_DRIVER_MODULE_NAME; static const char DRIVER_MODULE_TAG[] = WIFI_DRIVER_MODULE_NAME " "; @@ -117,10 +118,14 @@ int is_wifi_driver_loaded() { char line[sizeof(DRIVER_MODULE_TAG) + 10]; #endif - if (!property_get(DRIVER_PROP_NAME, driver_status, NULL) || - strcmp(driver_status, "ok") != 0) { + if (!property_get(DRIVER_PROP_NAME, driver_status, NULL)) { return 0; /* driver not loaded */ } + + if (!is_driver_loaded) { + return 0; + } /* driver not loaded */ + #ifdef WIFI_DRIVER_MODULE_PATH /* * If the property says the driver is loaded, check to @@ -130,7 +135,10 @@ int is_wifi_driver_loaded() { */ if ((proc = fopen(MODULE_FILE, "r")) == NULL) { PLOG(WARNING) << "Could not open " << MODULE_FILE; - property_set(DRIVER_PROP_NAME, "unloaded"); + is_driver_loaded = false; + if (strcmp(driver_status, "unloaded") != 0) { + property_set(DRIVER_PROP_NAME, "unloaded"); + } return 0; } while ((fgets(line, sizeof(line), proc)) != NULL) { @@ -140,7 +148,10 @@ int is_wifi_driver_loaded() { } } fclose(proc); - property_set(DRIVER_PROP_NAME, "unloaded"); + is_driver_loaded = false; + if (strcmp(driver_status, "unloaded") != 0) { + property_set(DRIVER_PROP_NAME, "unloaded"); + } return 0; #else return 1; @@ -163,7 +174,7 @@ int wifi_load_driver() { if (wifi_change_driver_state(WIFI_DRIVER_STATE_ON) < 0) return -1; #endif - property_set(DRIVER_PROP_NAME, "ok"); + is_driver_loaded = true; return 0; } @@ -192,6 +203,7 @@ int wifi_unload_driver() { if (wifi_change_driver_state(WIFI_DRIVER_STATE_OFF) < 0) return -1; } #endif + is_driver_loaded = false; property_set(DRIVER_PROP_NAME, "unloaded"); return 0; #endif |