libertas: Check return status of command functions

Return status of lbs_prepare_and_send_command and lbs_cmd_with_response
functions is not checked at some places. Those checks are added.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 87bfd17b9c8c..b7363236cc53 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1089,6 +1089,8 @@ static void auto_deepsleep_timer_fn(unsigned long data)
                         ret = lbs_prepare_and_send_command(priv,
                                         CMD_802_11_DEEP_SLEEP, 0,
                                         0, 0, NULL);
+                        if (ret)
+                                lbs_pr_err("Enter Deep Sleep command failed\n");
                 }
         }
         mod_timer(&priv->auto_deepsleep_timer , jiffies +