[PATCH 2/5] ALSA: sb: Drop NULL check for snd_ctl_remove()

[Takashi Iwai <tiwai@xxxxxxx>]

Since snd_ctl_remove() accepts the NULL kcontrol argument now, we can
drop the check in the caller side.

Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
 sound/isa/sb/emu8000.c  |  6 ++----
 sound/isa/sb/sb16_csp.c | 12 ++++--------
 2 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/sound/isa/sb/emu8000.c b/sound/isa/sb/emu8000.c
index a6405772d537..af478c36ce5b 100644
--- a/sound/isa/sb/emu8000.c
+++ b/sound/isa/sb/emu8000.c
@@ -1039,10 +1039,8 @@ snd_emu8000_create_mixer(struct snd_card *card, struct snd_emu8000 *emu)
 	return 0;
 
 __error:
-	for (i = 0; i < EMU8000_NUM_CONTROLS; i++) {
-		if (emu->controls[i])
-			snd_ctl_remove(card, emu->controls[i]);
-	}
+	for (i = 0; i < EMU8000_NUM_CONTROLS; i++)
+		snd_ctl_remove(card, emu->controls[i]);
 	return err;
 }
 
diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c
index 8d8357019719..fdb992733bde 100644
--- a/sound/isa/sb/sb16_csp.c
+++ b/sound/isa/sb/sb16_csp.c
@@ -1080,14 +1080,10 @@ static void snd_sb_qsound_destroy(struct snd_sb_csp * p)
 
 	card = p->chip->card;	
 	
-	if (p->qsound_switch) {
-		snd_ctl_remove(card, p->qsound_switch);
-		p->qsound_switch = NULL;
-	}
-	if (p->qsound_space) {
-		snd_ctl_remove(card, p->qsound_space);
-		p->qsound_space = NULL;
-	}
+	snd_ctl_remove(card, p->qsound_switch);
+	p->qsound_switch = NULL;
+	snd_ctl_remove(card, p->qsound_space);
+	p->qsound_space = NULL;
 
 	/* cancel pending transfer of QSound parameters */
 	spin_lock_irqsave (&p->q_lock, flags);
-- 
2.43.0