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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>
This commit is contained in:
Joe Perches 2014-12-03 09:59:31 -08:00 committed by Takashi Iwai
parent 103884a351
commit 5395103dcc
1 changed files with 15 additions and 19 deletions
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34
sound/pci/ctxfi/ctdaio.c
View File

@ -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) {
kfree(dao);
goto error;
}
err = dao_rsc_init(dao, desc, mgr);
if (err)
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) {
kfree(dai);
goto error;
}
err = dai_rsc_init(dai, desc, mgr);
if (err)
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);