diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2017-12-13 21:31:49 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-12-21 15:14:59 +0100 |
| commit | 688f897ddd96968cf59a2d67afe2a394a0bf8ab3 (patch) | |
| tree | e303dd2f94a5c670a318008c891674e116558e6b /drivers/net/wireless/ath/ath9k/tx99.c | |
| parent | a898b45a9c18bd9d723f82576a5b32a102808a09 (diff) | |
| parent | fb2d2dee504a963efdcb76517b5cdf25444cf535 (diff) | |
Merge remote-tracking branch 'linux-fslc/4.9-1.0.x-imx' into toradex_4.9-1.0.x-imx-next
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/tx99.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/tx99.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/tx99.c b/drivers/net/wireless/ath/ath9k/tx99.c index 16aca9e28b77..1fa7f844b5da 100644 --- a/drivers/net/wireless/ath/ath9k/tx99.c +++ b/drivers/net/wireless/ath/ath9k/tx99.c @@ -189,22 +189,27 @@ static ssize_t write_file_tx99(struct file *file, const char __user *user_buf, if (strtobool(buf, &start)) return -EINVAL; + mutex_lock(&sc->mutex); + if (start == sc->tx99_state) { if (!start) - return count; + goto out; ath_dbg(common, XMIT, "Resetting TX99\n"); ath9k_tx99_deinit(sc); } if (!start) { ath9k_tx99_deinit(sc); - return count; + goto out; } r = ath9k_tx99_init(sc); - if (r) + if (r) { + mutex_unlock(&sc->mutex); return r; - + } +out: + mutex_unlock(&sc->mutex); return count; } |