[PATCH RFC] wlcore: match wait_for_completion_timeout return type

return type of wait_for_completion_timeout is unsigned long not int, this
patch adds an appropriate return type and assignment.

Signed-off-by: Nicholas Mc Guire <redacted>
---

The return type of wait_for_completion_timeout is unsigned long not
int. This patch adds a separate variable of proper type for handling
of the wait_for_completion_timeout.

The alternative would be to fold it into the if condition and not use
a separate variable like so:

	if (!pending) {
		if (!wait_for_completion_timeout( &compl,
				msecs_to_jiffies(WL1271_WAKEUP_TIMEOUT)) {
			wl1271_error("ELP wakeup timeout!");		    
			wl12xx_queue_recovery_work(wl);
			ret = -ETIMEDOUT;
			goto err;
		}
	}

not sure if this or the below solution is preferable.

Patch was compile tested only for x86_64_defconfig + CONFIG_WL_TI=y, 
CONFIG_WLCORE=m

Patch is against 3.19.0-rc5 -next-20150123

 drivers/net/wireless/ti/wlcore/ps.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c
index 4cd316e..d5f918a4 100644
--- a/drivers/net/wireless/ti/wlcore/ps.c
+++ b/drivers/net/wireless/ti/wlcore/ps.c

@@ -109,6 +109,7 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl)
 	DECLARE_COMPLETION_ONSTACK(compl);
 	unsigned long flags;
 	int ret;
+	unsigned long timeout;
 	unsigned long start_time = jiffies;
 	bool pending = false;
 

@@ -145,9 +146,9 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl)
 	}
 
 	if (!pending) {
-		ret = wait_for_completion_timeout(
+		timeout = wait_for_completion_timeout(
 			&compl, msecs_to_jiffies(WL1271_WAKEUP_TIMEOUT));
-		if (ret == 0) {
+		if (timeout == 0) {
 			wl1271_error("ELP wakeup timeout!");
 			wl12xx_queue_recovery_work(wl);
 			ret = -ETIMEDOUT;

-- 
1.7.10.4

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