ALSA: timer: Adjust a condition check in snd_timer_resolution()

The script "checkpatch.pl" pointed information out like the following.

ERROR: do not use assignment in if condition

Thus fix the affected source code place.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/core/timer.c b/sound/core/timer.c
index a9b9a277e00c..6051aed3197f 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -393,7 +393,8 @@ unsigned long snd_timer_resolution(struct snd_timer_instance *timeri)
 
         if (timeri == NULL)
                 return 0;
-        if ((timer = timeri->timer) != NULL) {
+        timer = timeri->timer;
+        if (timer) {
                 if (timer->hw.c_resolution)
                         return timer->hw.c_resolution(timer);
                 return timer->hw.resolution;