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[PATCH 12/16] iwmc3200wifi: Do not handle wifi command if the interface is not ready

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From: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>

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

Signed-off-by: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
Signed-off-by: Zhu Yi <yi.zhu@xxxxxxxxx>
---
 drivers/net/wireless/iwmc3200wifi/commands.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 0641bc7..2911ace 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -77,6 +77,11 @@ 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;
 
-- 
1.6.0.4

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