iwmc3200wifi: Do not handle wifi command if the interface is not ready

When resetting or bringing the interface down, we should just reject any wifi
related command.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index d5125b7659a8..25fb8dfd83b5 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -76,6 +76,11 @@ int iwm_send_wifi_if_cmd(struct iwm_priv *iwm, void *payload, u16 payload_size,
         int ret;
         u8 oid = hdr->oid;
 
+        if (!test_bit(IWM_STATUS_READY, &iwm->status)) {
+                IWM_ERR(iwm, "Interface is not ready yet");
+                return -EAGAIN;
+        }
+
         umac_cmd.id = UMAC_CMD_OPCODE_WIFI_IF_WRAPPER;
         umac_cmd.resp = resp;