power: wakeup: remove use of seq_printf return value

The seq_printf return value, because it's frequently misused,
will eventually be converted to void.

See: commit 1f33c41c03da ("seq_file: Rename seq_overflow() to
     seq_has_overflowed() and make public")

Signed-off-by: Joe Perches <joe@perches.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Len Brown <len.brown@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index aab7158..7726200 100644 (file)
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -843,7 +843,6 @@ static int print_wakeup_source_stats(struct seq_file *m,
        unsigned long active_count;
        ktime_t active_time;
        ktime_t prevent_sleep_time;
-       int ret;
 
        spin_lock_irqsave(&ws->lock, flags);
 
@@ -866,17 +865,16 @@ static int print_wakeup_source_stats(struct seq_file *m,
                active_time = ktime_set(0, 0);
        }
 
-       ret = seq_printf(m, "%-12s\t%lu\t\t%lu\t\t%lu\t\t%lu\t\t"
-                       "%lld\t\t%lld\t\t%lld\t\t%lld\t\t%lld\n",
-                       ws->name, active_count, ws->event_count,
-                       ws->wakeup_count, ws->expire_count,
-                       ktime_to_ms(active_time), ktime_to_ms(total_time),
-                       ktime_to_ms(max_time), ktime_to_ms(ws->last_time),
-                       ktime_to_ms(prevent_sleep_time));
+       seq_printf(m, "%-12s\t%lu\t\t%lu\t\t%lu\t\t%lu\t\t%lld\t\t%lld\t\t%lld\t\t%lld\t\t%lld\n",
+                  ws->name, active_count, ws->event_count,
+                  ws->wakeup_count, ws->expire_count,
+                  ktime_to_ms(active_time), ktime_to_ms(total_time),
+                  ktime_to_ms(max_time), ktime_to_ms(ws->last_time),
+                  ktime_to_ms(prevent_sleep_time));
 
        spin_unlock_irqrestore(&ws->lock, flags);
 
-       return ret;
+       return 0;
 }
 
 /**