Change the return values of function r8712_setdatarate_cmd from _SUCCESS
and _FAIL to 0 and -ENOMEM respectively.
Change the return type of the function from u8 to int to reflect this.
Change the call site of the function to check for 0 instead of _SUCCESS.
Return the value at the call site directly instead of storing it in a
return variable.
Remove now-unused return variable.

Signed-off-by: Nishka Dasgupta <nishkadg.li...@gmail.com>
---
Changes in v2:
- Change return method at call site.
- Remove variable at call site.
- Fix commit subject.

 drivers/staging/rtl8712/rtl871x_cmd.c         | 8 ++++----
 drivers/staging/rtl8712/rtl871x_cmd.h         | 2 +-
 drivers/staging/rtl8712/rtl871x_ioctl_linux.c | 6 ++----
 3 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c 
b/drivers/staging/rtl8712/rtl871x_cmd.c
index 05a78ac24987..e478c031f95f 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.c
+++ b/drivers/staging/rtl8712/rtl871x_cmd.c
@@ -242,7 +242,7 @@ u8 r8712_sitesurvey_cmd(struct _adapter *padapter,
        return _SUCCESS;
 }
 
-u8 r8712_setdatarate_cmd(struct _adapter *padapter, u8 *rateset)
+int r8712_setdatarate_cmd(struct _adapter *padapter, u8 *rateset)
 {
        struct cmd_obj          *ph2c;
        struct setdatarate_parm *pbsetdataratepara;
@@ -250,18 +250,18 @@ u8 r8712_setdatarate_cmd(struct _adapter *padapter, u8 
*rateset)
 
        ph2c = kmalloc(sizeof(*ph2c), GFP_ATOMIC);
        if (!ph2c)
-               return _FAIL;
+               return -ENOMEM;
        pbsetdataratepara = kmalloc(sizeof(*pbsetdataratepara), GFP_ATOMIC);
        if (!pbsetdataratepara) {
                kfree(ph2c);
-               return _FAIL;
+               return -ENOMEM;
        }
        init_h2fwcmd_w_parm_no_rsp(ph2c, pbsetdataratepara,
                                   GEN_CMD_CODE(_SetDataRate));
        pbsetdataratepara->mac_id = 5;
        memcpy(pbsetdataratepara->datarates, rateset, NumRates);
        r8712_enqueue_cmd(pcmdpriv, ph2c);
-       return _SUCCESS;
+       return 0;
 }
 
 u8 r8712_set_chplan_cmd(struct _adapter *padapter, int chplan)
diff --git a/drivers/staging/rtl8712/rtl871x_cmd.h 
b/drivers/staging/rtl8712/rtl871x_cmd.h
index 262984c58efb..800216cca2f6 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.h
+++ b/drivers/staging/rtl8712/rtl871x_cmd.h
@@ -719,7 +719,7 @@ u8 r8712_joinbss_cmd(struct _adapter *padapter,
 u8 r8712_disassoc_cmd(struct _adapter *padapter);
 u8 r8712_setopmode_cmd(struct _adapter *padapter,
                 enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype);
-u8 r8712_setdatarate_cmd(struct _adapter *padapter, u8 *rateset);
+int r8712_setdatarate_cmd(struct _adapter *padapter, u8 *rateset);
 u8 r8712_set_chplan_cmd(struct _adapter  *padapter, int chplan);
 u8 r8712_setbasicrate_cmd(struct _adapter *padapter, u8 *rateset);
 u8 r8712_getrfreg_cmd(struct _adapter *padapter, u8 offset, u8 *pval);
diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c 
b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
index b424b8436fcf..a224797cd993 100644
--- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
+++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
@@ -1309,7 +1309,7 @@ static int r8711_wx_set_rate(struct net_device *dev,
        u32 ratevalue = 0;
        u8 datarates[NumRates];
        u8 mpdatarate[NumRates] = {11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0xff};
-       int i, ret = 0;
+       int i;
 
        if (target_rate == -1) {
                ratevalue = 11;
@@ -1367,9 +1367,7 @@ static int r8711_wx_set_rate(struct net_device *dev,
                        datarates[i] = 0xff;
                }
        }
-       if (r8712_setdatarate_cmd(padapter, datarates) != _SUCCESS)
-               ret = -ENOMEM;
-       return ret;
+       return r8712_setdatarate_cmd(padapter, datarates);
 }
 
 static int r8711_wx_get_rate(struct net_device *dev,
-- 
2.19.1

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