[PATCH v2] staging: rtl8723bs: change error handling to use standard errno

[Omer El Idrissi <omer.e.idrissi@gmail.com>]

Replace non-standard return values with descriptive linux kernel error
codes in probe path.
Also replace the variable name 'status' with 'ret' to be more
consistent with other kernel code.

Changes since v1:
-- Replace -ENOMEM with -ENODEV for sdio_dvobj_init fail path

Signed-off-by: Omer El Idrissi <omer.e.idrissi@gmail.com>
---
 drivers/staging/rtl8723bs/os_dep/sdio_intf.c | 30 +++++++++++++-------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/rtl8723bs/os_dep/sdio_intf.c b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
index d664e254912c..4c16c514ca39 100644
--- a/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
+++ b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
@@ -345,38 +345,46 @@ static int rtw_drv_init(
 	struct sdio_func *func,
 	const struct sdio_device_id *id)
 {
-	int status = _FAIL;
+	int ret;
 	struct adapter *if1 = NULL;
 	struct dvobj_priv *dvobj;
 
 	dvobj = sdio_dvobj_init(func);
-	if (!dvobj)
+	if (!dvobj) {
+		ret = -ENODEV;
 		goto exit;
+	}
 
 	if1 = rtw_sdio_if1_init(dvobj, id);
-	if (!if1)
+	if (!if1) {
+		ret = -ENOMEM;
 		goto free_dvobj;
+	}
 
 	/* dev_alloc_name && register_netdev */
-	status = rtw_drv_register_netdev(if1);
-	if (status != _SUCCESS)
+	ret = rtw_drv_register_netdev(if1);
+	if (ret) {
+		ret = -EIO;
 		goto free_if1;
+	}
 
-	status = sdio_alloc_irq(dvobj);
-	if (status != _SUCCESS)
+	ret = sdio_alloc_irq(dvobj);
+	if (ret) {
+		ret = -EIO;
 		goto free_if1;
+	}
 
-	status = _SUCCESS;
+	ret = _SUCCESS;
 
 free_if1:
-	if (status != _SUCCESS && if1)
+	if (ret != _SUCCESS && if1)
 		rtw_sdio_if1_deinit(if1);
 
 free_dvobj:
-	if (status != _SUCCESS)
+	if (ret != _SUCCESS)
 		sdio_dvobj_deinit(func);
 exit:
-	return status == _SUCCESS ? 0 : -ENODEV;
+	return ret;
 }
 
 static void rtw_dev_remove(struct sdio_func *func)
-- 
2.51.0