On 10/25/2017 03:32 AM, Kees Cook wrote:
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. Switches to using the global that is
used everywhere else.

Cc: Wim Van Sebroeck <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>

Reviewed-by: Guenter Roeck <[email protected]>

---
  drivers/watchdog/cpwd.c | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c
index 3d43775548e5..aee0b25cf10d 100644
--- a/drivers/watchdog/cpwd.c
+++ b/drivers/watchdog/cpwd.c
@@ -230,9 +230,9 @@ static void cpwd_resetbrokentimer(struct cpwd *p, int index)
   * interrupts within the PLD so me must continually
   * reset the timers ad infinitum.
   */
-static void cpwd_brokentimer(unsigned long data)
+static void cpwd_brokentimer(struct timer_list *unused)
  {
-       struct cpwd *p = (struct cpwd *) data;
+       struct cpwd *p = cpwd_device;
        int id, tripped = 0;
/* kill a running timer instance, in case we
@@ -275,7 +275,7 @@ static void cpwd_stoptimer(struct cpwd *p, int index)
if (p->broken) {
                        p->devs[index].runstatus |= WD_STAT_BSTOP;
-                       cpwd_brokentimer((unsigned long) p);
+                       cpwd_brokentimer(NULL);
                }
        }
  }
@@ -608,7 +608,7 @@ static int cpwd_probe(struct platform_device *op)
        }
if (p->broken) {
-               setup_timer(&cpwd_timer, cpwd_brokentimer, (unsigned long)p);
+               timer_setup(&cpwd_timer, cpwd_brokentimer, 0);
                cpwd_timer.expires      = WD_BTIMEOUT;
pr_info("PLD defect workaround enabled for model %s\n",


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