[PATCH] staging: rtl8723bs: fix error handling in sdio_dvobj_init and it's callees

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

Return proper errno values instead of vendor-defined non-descriptive
_SUCCESS/_FAIL macros
Callers only check for non-zero return values, so this does not change
behaviour while improving correctness.

Signed-off-by: Omer El Idrissi <omer.e.idrissi@gmail.com>
---
 drivers/staging/rtl8723bs/os_dep/os_intfs.c  |  7 ++++---
 drivers/staging/rtl8723bs/os_dep/sdio_intf.c | 19 +++++++++++--------
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/rtl8723bs/os_dep/os_intfs.c b/drivers/staging/rtl8723bs/os_dep/os_intfs.c
index 7ba689f2dfc8..80ff3154f6e7 100644
--- a/drivers/staging/rtl8723bs/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8723bs/os_dep/os_intfs.c
@@ -1136,9 +1136,10 @@ static int rtw_resume_process_normal(struct adapter *padapter)
 	pmlmepriv = &padapter->mlmepriv;
 	/*  interface init */
 	/* if (sdio_init(adapter_to_dvobj(padapter)) != _SUCCESS) */
-	if ((padapter->intf_init) && (padapter->intf_init(adapter_to_dvobj(padapter)) != _SUCCESS)) {
-		ret = -1;
-		goto exit;
+	if (padapter->intf_init) {
+		ret = padapter->intf_init(adapter_to_dvobj(padapter));
+		if (ret)
+			goto exit;
 	}
 	rtw_hal_disable_interrupt(padapter);
 	/* if (sdio_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS) */
diff --git a/drivers/staging/rtl8723bs/os_dep/sdio_intf.c b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
index d664e254912c..0d6475bfbaba 100644
--- a/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
+++ b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
@@ -131,9 +131,7 @@ static u32 sdio_init(struct dvobj_priv *dvobj)
 release:
 	sdio_release_host(func);
 
-	if (err)
-		return _FAIL;
-	return _SUCCESS;
+	return err;
 }
 
 static void sdio_deinit(struct dvobj_priv *dvobj)
@@ -159,16 +157,19 @@ static struct dvobj_priv *sdio_dvobj_init(struct sdio_func *func)
 	struct dvobj_priv *dvobj = NULL;
 	struct sdio_data *psdio;
 
-	dvobj = devobj_init();
-	if (!dvobj)
+	dvobj = devobj_init();
+	if (!dvobj) {
+		dvobj = ERR_PTR(-ENOMEM);
 		goto exit;
+	}
 
 	sdio_set_drvdata(func, dvobj);
 
 	psdio = &dvobj->intf_data;
 	psdio->func = func;
 
-	if (sdio_init(dvobj) != _SUCCESS)
+	status = sdio_init(dvobj);
+	if (status)
 		goto free_dvobj;
 
 	rtw_reset_continual_io_error(dvobj);
@@ -180,7 +181,7 @@ static struct dvobj_priv *sdio_dvobj_init(struct sdio_func *func)
 
 		devobj_deinit(dvobj);
 
-		dvobj = NULL;
+		dvobj = ERR_PTR(status);
 	}
 exit:
 	return dvobj;
@@ -350,8 +351,10 @@ static int rtw_drv_init(
 	struct dvobj_priv *dvobj;
 
 	dvobj = sdio_dvobj_init(func);
-	if (!dvobj)
+	if (IS_ERR(dvobj)) {
+		status = PTR_ERR(dvobj);
 		goto exit;
+	}
 
 	if1 = rtw_sdio_if1_init(dvobj, id);
 	if (!if1)
-- 
2.51.0