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authorJoe Perches <joe@perches.com>2014-12-03 09:59:31 -0800
committerTakashi Iwai <tiwai@suse.de>2014-12-03 20:30:04 +0100
commit5395103dcc709d87f08edaecb786fc37781f3b22 (patch)
tree7d4d65a2d84b215579a0ec72cbc694bef355e696 /sound/pci/ctxfi
parent103884a351a221553095c509a1dbbbf7d4fd9b05 (diff)
downloadlinux-5395103dcc709d87f08edaecb786fc37781f3b22.tar.gz
ALSA: ctxfi: Neaten get_daio_rsc
Move the pointer declarations into the blocks that use them.
Neaten the kfree calls when the _init functions fail.

Trivially reduces object size (defconfig x86-64)

$ size sound/pci/ctxfi/ctdaio.o.*
   text	   data	    bss	    dec	    hex	filename
   5287	    224	      0	   5511	   1587	sound/pci/ctxfi/ctdaio.o.new
   5319	    224	      0	   5543	   15a7	sound/pci/ctxfi/ctdaio.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Noticed-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/ctxfi')
-rw-r--r--sound/pci/ctxfi/ctdaio.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/sound/pci/ctxfi/ctdaio.c b/sound/pci/ctxfi/ctdaio.c
index c1c3f8816fff..9b87dd28de83 100644
--- a/sound/pci/ctxfi/ctdaio.c
+++ b/sound/pci/ctxfi/ctdaio.c
@@ -528,8 +528,6 @@ static int get_daio_rsc(struct daio_mgr *mgr,
 			struct daio **rdaio)
 {
 	int err;
-	struct dai *dai = NULL;
-	struct dao *dao = NULL;
 	unsigned long flags;
 
 	*rdaio = NULL;
@@ -544,27 +542,30 @@ static int get_daio_rsc(struct daio_mgr *mgr,
 		return err;
 	}
 
+	err = -ENOMEM;
 	/* Allocate mem for daio resource */
 	if (desc->type <= DAIO_OUT_MAX) {
-		dao = kzalloc(sizeof(*dao), GFP_KERNEL);
-		if (!dao) {
-			err = -ENOMEM;
+		struct dao *dao = kzalloc(sizeof(*dao), GFP_KERNEL);
+		if (!dao)
 			goto error;
-		}
+
 		err = dao_rsc_init(dao, desc, mgr);
-		if (err)
+		if (err) {
+			kfree(dao);
 			goto error;
+		}
 
 		*rdaio = &dao->daio;
 	} else {
-		dai = kzalloc(sizeof(*dai), GFP_KERNEL);
-		if (!dai) {
-			err = -ENOMEM;
+		struct dai *dai = kzalloc(sizeof(*dai), GFP_KERNEL);
+		if (!dai)
 			goto error;
-		}
+
 		err = dai_rsc_init(dai, desc, mgr);
-		if (err)
+		if (err) {
+			kfree(dai);
 			goto error;
+		}
 
 		*rdaio = &dai->daio;
 	}
@@ -575,11 +576,6 @@ static int get_daio_rsc(struct daio_mgr *mgr,
 	return 0;
 
 error:
-	if (dao)
-		kfree(dao);
-	else if (dai)
-		kfree(dai);
-
 	spin_lock_irqsave(&mgr->mgr_lock, flags);
 	daio_mgr_put_rsc(&mgr->mgr, desc->type);
 	spin_unlock_irqrestore(&mgr->mgr_lock, flags);