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authorDavid S. Miller <davem@davemloft.net>2016-01-13 00:21:27 -0500
committerDavid S. Miller <davem@davemloft.net>2016-01-13 00:21:27 -0500
commitddb5388ffd0ad75d07e7b78181a0b579824ba6f0 (patch)
treebe1e2bd103c69d7bbace3fffd97bc3d714bbc3d7 /drivers/net/wireless/ath/wil6210/wmi.c
parentccdf6ce6a8dba374668ae9b4d763e19903611c38 (diff)
parent67990608c8b95d2b8ccc29932376ae73d5818727 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/wmi.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/wmi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 6ed26baca0e5..e3ea74cdd4aa 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -228,6 +228,10 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head);
/* wait till FW finish with previous command */
for (retry = 5; retry > 0; retry--) {
+ if (!test_bit(wil_status_fwready, wil->status)) {
+ wil_err(wil, "WMI: cannot send command while FW not ready\n");
+ return -EAGAIN;
+ }
r->tail = wil_r(wil, RGF_MBOX +
offsetof(struct wil6210_mbox_ctl, tx.tail));
if (next_head != r->tail)