[PATCH] wireless: qtnfmac: Convert timers to use timer_setup()

From: Kees Cook
Date: Mon Oct 16 2017 - 19:36:32 EST


In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Igor Mitsyanko <imitsyanko@xxxxxxxxxxxxx>
Cc: Avinash Patil <avinashp@xxxxxxxxxxxxx>
Cc: Sergey Matyukevich <smatyukevich@xxxxxxxxxxxxx>
Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Cc: Kamlesh Rath <krath@xxxxxxxxxxxxx>
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 7 +++----
drivers/net/wireless/quantenna/qtnfmac/core.c | 2 +-
2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
index 32bf72c0399f..ac1b9bd5ed90 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
@@ -581,9 +581,9 @@ qtnf_del_station(struct wiphy *wiphy, struct net_device *dev,
return ret;
}

-static void qtnf_scan_timeout(unsigned long data)
+static void qtnf_scan_timeout(struct timer_list *t)
{
- struct qtnf_wmac *mac = (struct qtnf_wmac *)data;
+ struct qtnf_wmac *mac = from_timer(mac, t, scan_timeout);

pr_warn("mac%d scan timed out\n", mac->macid);
qtnf_scan_done(mac, true);
@@ -602,8 +602,7 @@ qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
return -EFAULT;
}

- mac->scan_timeout.data = (unsigned long)mac;
- mac->scan_timeout.function = qtnf_scan_timeout;
+ mac->scan_timeout.function = (TIMER_FUNC_TYPE)qtnf_scan_timeout;
mod_timer(&mac->scan_timeout,
jiffies + QTNF_SCAN_TIMEOUT_SEC * HZ);

diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c
index 5e60180482d1..aa7f146278a7 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.c
@@ -289,7 +289,7 @@ static struct qtnf_wmac *qtnf_core_mac_alloc(struct qtnf_bus *bus,
mac->iflist[i].vifid = i;
qtnf_sta_list_init(&mac->iflist[i].sta_list);
mutex_init(&mac->mac_lock);
- init_timer(&mac->scan_timeout);
+ setup_timer(&mac->scan_timeout, NULL, 0);
}

qtnf_mac_init_primary_intf(mac);
--
2.7.4


--
Kees Cook
Pixel Security