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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 17:13:38 (GMT)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 17:13:38 (GMT)
commitfc8a327db6c46de783b1a4276d846841b9abc24c (patch)
treebee512c142cccea93511debd98ef954581693727 /sound/core/seq/oss
parent92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0 (diff)
parent24837e6f249a2c83667552e6871c1543b4a6b934 (diff)
downloadlinux-fsl-qoriq-fc8a327db6c46de783b1a4276d846841b9abc24c.tar.xz
Merge branch 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: (264 commits) [ALSA] version 1.0.15 [ALSA] Fix thinko in cs4231 mce down check [ALSA] sun-cs4231: improved waiting after MCE down [ALSA] sun-cs4231: use cs4231-regs.h [ALSA] This simplifies and fixes waiting loops of the mce_down() [ALSA] This patch adds support for a wavetable chip on [ALSA] This patch removes open_mutex from the ad1848-lib as [ALSA] fix bootup crash in snd_gus_interrupt() [ALSA] hda-codec - Fix SKU ID function for realtek codecs [ALSA] Support ASUS P701 eeepc [0x1043 0x82a1] support [ALSA] hda-codec - Add array terminator for dmic in STAC codec [ALSA] hdsp - Fix zero division [ALSA] usb-audio - Fix double comment [ALSA] hda-codec - Fix STAC922x volume knob control [ALSA] Changed Jaroslav Kysela's e-mail from perex@suse.cz to perex@perex.cz [ALSA] hda-codec - Fix for Fujitsu Lifebook C1410 [ALSA] mpu-401: remove MPU401_INFO_UART_ONLY flag [ALSA] mpu-401: do not require an ACK byte for the ENTER_UART command [ALSA] via82xx - Add DXS quirk for Shuttle AK31v2 [ALSA] hda-codec - Fix input_mux numbers for vaio stac92xx ...
Diffstat (limited to 'sound/core/seq/oss')
-rw-r--r--sound/core/seq/oss/Makefile2
-rw-r--r--sound/core/seq/oss/seq_oss_init.c40
-rw-r--r--sound/core/seq/oss/seq_oss_writeq.c6
3 files changed, 28 insertions, 20 deletions
diff --git a/sound/core/seq/oss/Makefile b/sound/core/seq/oss/Makefile
index a37dded..b38406b 100644
--- a/sound/core/seq/oss/Makefile
+++ b/sound/core/seq/oss/Makefile
@@ -1,6 +1,6 @@
#
# Makefile for ALSA
-# Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
+# Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
#
snd-seq-oss-objs := seq_oss.o seq_oss_init.o seq_oss_timer.o seq_oss_ioctl.o \
diff --git a/sound/core/seq/oss/seq_oss_init.c b/sound/core/seq/oss/seq_oss_init.c
index ca5a2ed..d0d721c 100644
--- a/sound/core/seq/oss/seq_oss_init.c
+++ b/sound/core/seq/oss/seq_oss_init.c
@@ -176,29 +176,29 @@ snd_seq_oss_open(struct file *file, int level)
int i, rc;
struct seq_oss_devinfo *dp;
- if ((dp = kzalloc(sizeof(*dp), GFP_KERNEL)) == NULL) {
+ dp = kzalloc(sizeof(*dp), GFP_KERNEL);
+ if (!dp) {
snd_printk(KERN_ERR "can't malloc device info\n");
return -ENOMEM;
}
debug_printk(("oss_open: dp = %p\n", dp));
+ dp->cseq = system_client;
+ dp->port = -1;
+ dp->queue = -1;
+
for (i = 0; i < SNDRV_SEQ_OSS_MAX_CLIENTS; i++) {
if (client_table[i] == NULL)
break;
}
+
+ dp->index = i;
if (i >= SNDRV_SEQ_OSS_MAX_CLIENTS) {
snd_printk(KERN_ERR "too many applications\n");
- kfree(dp);
- return -ENOMEM;
+ rc = -ENOMEM;
+ goto _error;
}
- dp->index = i;
- dp->cseq = system_client;
- dp->port = -1;
- dp->queue = -1;
- dp->readq = NULL;
- dp->writeq = NULL;
-
/* look up synth and midi devices */
snd_seq_oss_synth_setup(dp);
snd_seq_oss_midi_setup(dp);
@@ -211,14 +211,16 @@ snd_seq_oss_open(struct file *file, int level)
/* create port */
debug_printk(("create new port\n"));
- if ((rc = create_port(dp)) < 0) {
+ rc = create_port(dp);
+ if (rc < 0) {
snd_printk(KERN_ERR "can't create port\n");
goto _error;
}
/* allocate queue */
debug_printk(("allocate queue\n"));
- if ((rc = alloc_seq_queue(dp)) < 0)
+ rc = alloc_seq_queue(dp);
+ if (rc < 0)
goto _error;
/* set address */
@@ -235,7 +237,8 @@ snd_seq_oss_open(struct file *file, int level)
/* initialize read queue */
debug_printk(("initialize read queue\n"));
if (is_read_mode(dp->file_mode)) {
- if ((dp->readq = snd_seq_oss_readq_new(dp, maxqlen)) == NULL) {
+ dp->readq = snd_seq_oss_readq_new(dp, maxqlen);
+ if (!dp->readq) {
rc = -ENOMEM;
goto _error;
}
@@ -245,7 +248,7 @@ snd_seq_oss_open(struct file *file, int level)
debug_printk(("initialize write queue\n"));
if (is_write_mode(dp->file_mode)) {
dp->writeq = snd_seq_oss_writeq_new(dp, maxqlen);
- if (dp->writeq == NULL) {
+ if (!dp->writeq) {
rc = -ENOMEM;
goto _error;
}
@@ -253,7 +256,8 @@ snd_seq_oss_open(struct file *file, int level)
/* initialize timer */
debug_printk(("initialize timer\n"));
- if ((dp->timer = snd_seq_oss_timer_new(dp)) == NULL) {
+ dp->timer = snd_seq_oss_timer_new(dp);
+ if (!dp->timer) {
snd_printk(KERN_ERR "can't alloc timer\n");
rc = -ENOMEM;
goto _error;
@@ -276,11 +280,13 @@ snd_seq_oss_open(struct file *file, int level)
return 0;
_error:
+ snd_seq_oss_writeq_delete(dp->writeq);
+ snd_seq_oss_readq_delete(dp->readq);
snd_seq_oss_synth_cleanup(dp);
snd_seq_oss_midi_cleanup(dp);
- i = dp->queue;
delete_port(dp);
- delete_seq_queue(i);
+ delete_seq_queue(dp->queue);
+ kfree(dp);
return rc;
}
diff --git a/sound/core/seq/oss/seq_oss_writeq.c b/sound/core/seq/oss/seq_oss_writeq.c
index 5c84956..2174248 100644
--- a/sound/core/seq/oss/seq_oss_writeq.c
+++ b/sound/core/seq/oss/seq_oss_writeq.c
@@ -63,8 +63,10 @@ snd_seq_oss_writeq_new(struct seq_oss_devinfo *dp, int maxlen)
void
snd_seq_oss_writeq_delete(struct seq_oss_writeq *q)
{
- snd_seq_oss_writeq_clear(q); /* to be sure */
- kfree(q);
+ if (q) {
+ snd_seq_oss_writeq_clear(q); /* to be sure */
+ kfree(q);
+ }
}