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

[Kees Cook]

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: Kalle Valo <kv...@codeaurora.org>
Cc: Igor Mitsyanko <imitsya...@quantenna.com>
Cc: Avinash Patil <avina...@quantenna.com>
Cc: Sergey Matyukevich <smatyukev...@quantenna.com>
Cc: Kamlesh Rath <kr...@quantenna.com>
Cc: linux-wireless@vger.kernel.org
Cc: net...@vger.kernel.org
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
 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