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authorClemens Ladisch <clemens@ladisch.de>2005-09-05 10:35:20 +0200
committerJaroslav Kysela <perex@suse.cz>2005-09-12 10:41:16 +0200
commit4d23359b7ec8b03da2154df935af7d625075f6cf (patch)
treeba0ddfae17312fb449fb4c1f1a294c4f7db0f998 /sound/core
parent49045d3d4dc7c43310b1fca693e29fcdbe68faba (diff)
[ALSA] sparse address space annotations
ALSA Core,RawMidi Midlevel,ALSA<-OSS emulation,ALSA sequencer RME32 driver,RME96 driver,EMU10K1/EMU10K2 driver,NM256 driver Add sparse annotations where we do strange this with __iomem/__user pointers. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/memory.c4
-rw-r--r--sound/core/oss/pcm_oss.c7
-rw-r--r--sound/core/rawmidi.c8
-rw-r--r--sound/core/seq/seq_clientmgr.c7
4 files changed, 18 insertions, 8 deletions
diff --git a/sound/core/memory.c b/sound/core/memory.c
index 291b4769bde..8fa888fc53a 100644
--- a/sound/core/memory.c
+++ b/sound/core/memory.c
@@ -249,7 +249,7 @@ int __exit snd_memory_info_done(void)
int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count)
{
#if defined(__i386__) || defined(CONFIG_SPARC32)
- return copy_to_user(dst, (const void*)src, count) ? -EFAULT : 0;
+ return copy_to_user(dst, (const void __force*)src, count) ? -EFAULT : 0;
#else
char buf[256];
while (count) {
@@ -280,7 +280,7 @@ int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size
int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count)
{
#if defined(__i386__) || defined(CONFIG_SPARC32)
- return copy_from_user((void*)dst, src, count) ? -EFAULT : 0;
+ return copy_from_user((void __force *)dst, src, count) ? -EFAULT : 0;
#else
char buf[256];
while (count) {
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index a13bd7bb4c9..1e606399d74 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;
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index edba4118271..d705ec79429 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -984,7 +984,9 @@ static ssize_t snd_rawmidi_read(struct file *file, char __user *buf, size_t coun
spin_lock_irq(&runtime->lock);
}
spin_unlock_irq(&runtime->lock);
- count1 = snd_rawmidi_kernel_read1(substream, (unsigned char *)buf, count, 0);
+ count1 = snd_rawmidi_kernel_read1(substream,
+ (unsigned char __force *)buf,
+ count, 0);
if (count1 < 0)
return result > 0 ? result : count1;
result += count1;
@@ -1213,7 +1215,9 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf, size
spin_lock_irq(&runtime->lock);
}
spin_unlock_irq(&runtime->lock);
- count1 = snd_rawmidi_kernel_write1(substream, (unsigned char *)buf, count, 0);
+ count1 = snd_rawmidi_kernel_write1(substream,
+ (unsigned char __force *)buf,
+ count, 0);
if (count1 < 0)
return result > 0 ? result : count1;
result += count1;
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index d8f76afd284..bd106625a78 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -413,7 +413,9 @@ static ssize_t snd_seq_read(struct file *file, char __user *buf, size_t count, l
}
count -= sizeof(snd_seq_event_t);
buf += sizeof(snd_seq_event_t);
- err = snd_seq_expand_var_event(&cell->event, count, (char *)buf, 0, sizeof(snd_seq_event_t));
+ err = snd_seq_expand_var_event(&cell->event, count,
+ (char __force *)buf, 0,
+ sizeof(snd_seq_event_t));
if (err < 0)
break;
result += err;
@@ -1009,7 +1011,8 @@ static ssize_t snd_seq_write(struct file *file, const char __user *buf, size_t c
}
/* set user space pointer */
event.data.ext.len = extlen | SNDRV_SEQ_EXT_USRPTR;
- event.data.ext.ptr = (char*)buf + sizeof(snd_seq_event_t);
+ event.data.ext.ptr = (char __force *)buf
+ + sizeof(snd_seq_event_t);
len += extlen; /* increment data length */
} else {
#ifdef CONFIG_COMPAT