When building with W=1, we got one warning as belows:
drivers/net/wireless/ath/ath6kl/wmi.c:3509:6: warning: variable ‘ret’
set but not used [-Wunused-but-set-variable]

At the end of ath6kl_wmi_set_pvb_cmd, it is returned by 0 regardless of
return value of ath6kl_wmi_cmd_send.
This patch fixes return value from 0 to ret that has result of
ath6kl_wmi_cmd_send execution.

Signed-off-by: Chaehyun Lim <chaehyun....@gmail.com>
 drivers/net/wireless/ath/ath6kl/wmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c 
index b8cf04d..3fd1cc9 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -3520,7 +3520,7 @@ int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, 
u16 aid,
        ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
-       return 0;
+       return ret;
 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,

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