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Diffstat (limited to 'sound/core/oss')
-rw-r--r--sound/core/oss/mixer_oss.c26
-rw-r--r--sound/core/oss/pcm_oss.c17
-rw-r--r--sound/core/oss/pcm_plugin.c2
3 files changed, 27 insertions, 18 deletions
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 98fc0766f88..69e1059112d 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -53,7 +53,7 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file)
err = snd_card_file_add(card, file);
if (err < 0)
return err;
- fmixer = kcalloc(1, sizeof(*fmixer), GFP_KERNEL);
+ fmixer = kzalloc(sizeof(*fmixer), GFP_KERNEL);
if (fmixer == NULL) {
snd_card_file_remove(card, file);
return -ENOMEM;
@@ -517,8 +517,8 @@ static void snd_mixer_oss_get_volume1_vol(snd_mixer_oss_file_t *fmixer,
up_read(&card->controls_rwsem);
return;
}
- uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
- uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+ uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+ uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL)
goto __unalloc;
snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
@@ -551,8 +551,8 @@ static void snd_mixer_oss_get_volume1_sw(snd_mixer_oss_file_t *fmixer,
up_read(&card->controls_rwsem);
return;
}
- uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
- uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+ uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+ uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL)
goto __unalloc;
snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
@@ -612,8 +612,8 @@ static void snd_mixer_oss_put_volume1_vol(snd_mixer_oss_file_t *fmixer,
down_read(&card->controls_rwsem);
if ((kctl = snd_ctl_find_numid(card, numid)) == NULL)
return;
- uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
- uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+ uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+ uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL)
goto __unalloc;
snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
@@ -649,8 +649,8 @@ static void snd_mixer_oss_put_volume1_sw(snd_mixer_oss_file_t *fmixer,
up_read(&fmixer->card->controls_rwsem);
return;
}
- uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
- uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+ uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+ uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL)
goto __unalloc;
snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
@@ -768,8 +768,8 @@ static int snd_mixer_oss_get_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
snd_ctl_elem_value_t *uctl;
int err, idx;
- uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
- uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+ uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+ uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL) {
err = -ENOMEM;
goto __unlock;
@@ -813,8 +813,8 @@ static int snd_mixer_oss_put_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
int err;
unsigned int idx;
- uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
- uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+ uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+ uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL) {
err = -ENOMEM;
goto __unlock;
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index a13bd7bb4c9..842c28b2ed5 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -850,7 +850,9 @@ static ssize_t snd_pcm_oss_write1(snd_pcm_substream_t *substream, const char __u
return xfer > 0 ? xfer : -EAGAIN;
}
} else {
- tmp = snd_pcm_oss_write2(substream, (const char *)buf, runtime->oss.period_bytes, 0);
+ tmp = snd_pcm_oss_write2(substream,
+ (const char __force *)buf,
+ runtime->oss.period_bytes, 0);
if (tmp <= 0)
return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
runtime->oss.bytes += tmp;
@@ -926,7 +928,8 @@ static ssize_t snd_pcm_oss_read1(snd_pcm_substream_t *substream, char __user *bu
xfer += tmp;
runtime->oss.buffer_used -= tmp;
} else {
- tmp = snd_pcm_oss_read2(substream, (char *)buf, runtime->oss.period_bytes, 0);
+ tmp = snd_pcm_oss_read2(substream, (char __force *)buf,
+ runtime->oss.period_bytes, 0);
if (tmp <= 0)
return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
runtime->oss.bytes += tmp;
@@ -1540,7 +1543,11 @@ static int snd_pcm_oss_get_ptr(snd_pcm_oss_file_t *pcm_oss_file, int stream, str
} else {
delay = snd_pcm_oss_bytes(substream, delay);
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
- info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;
+ snd_pcm_oss_setup_t *setup = substream->oss.setup;
+ if (setup && setup->buggyptr)
+ info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;
+ else
+ info.blocks = (delay + fixup) / runtime->oss.period_bytes;
info.bytes = (runtime->oss.bytes - delay) & INT_MAX;
} else {
delay += fixup;
@@ -1733,7 +1740,7 @@ static int snd_pcm_oss_open_file(struct file *file,
snd_assert(rpcm_oss_file != NULL, return -EINVAL);
*rpcm_oss_file = NULL;
- pcm_oss_file = kcalloc(1, sizeof(*pcm_oss_file), GFP_KERNEL);
+ pcm_oss_file = kzalloc(sizeof(*pcm_oss_file), GFP_KERNEL);
if (pcm_oss_file == NULL)
return -ENOMEM;
@@ -2347,6 +2354,8 @@ static void snd_pcm_oss_proc_write(snd_info_entry_t *entry,
template.partialfrag = 1;
} else if (!strcmp(str, "no-silence")) {
template.nosilence = 1;
+ } else if (!strcmp(str, "buggy-ptr")) {
+ template.buggyptr = 1;
}
} while (*str);
if (setup == NULL) {
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index 6430410c6c0..fc23373c000 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -171,7 +171,7 @@ int snd_pcm_plugin_build(snd_pcm_plug_t *plug,
snd_assert(plug != NULL, return -ENXIO);
snd_assert(src_format != NULL && dst_format != NULL, return -ENXIO);
- plugin = kcalloc(1, sizeof(*plugin) + extra, GFP_KERNEL);
+ plugin = kzalloc(sizeof(*plugin) + extra, GFP_KERNEL);
if (plugin == NULL)
return -ENOMEM;
plugin->name = name;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-08 00:02:44 +0000