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authorGrant Likely <grant.likely@secretlab.ca>2010-05-22 08:36:56 +0200
committerGrant Likely <grant.likely@secretlab.ca>2010-05-22 08:36:56 +0200
commitcf9b59e9d3e008591d1f54830f570982bb307a0d (patch)
tree113478ce8fd8c832ba726ffdf59b82cb46356476 /sound/drivers/opl4/opl4_proc.c
parentof: change of_match_device to work with struct device (diff)
parentfbmem: avoid printk format warning with 32-bit resources (diff)
downloadlinux-cf9b59e9d3e008591d1f54830f570982bb307a0d.tar.xz
linux-cf9b59e9d3e008591d1f54830f570982bb307a0d.zip
Merge remote branch 'origin' into secretlab/next-devicetree
Merging in current state of Linus' tree to deal with merge conflicts and build failures in vio.c after merge. Conflicts: drivers/i2c/busses/i2c-cpm.c drivers/i2c/busses/i2c-mpc.c drivers/net/gianfar.c Also fixed up one line in arch/powerpc/kernel/vio.c to use the correct node pointer. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'sound/drivers/opl4/opl4_proc.c')
-rw-r--r--sound/drivers/opl4/opl4_proc.c83
1 files changed, 25 insertions, 58 deletions
diff --git a/sound/drivers/opl4/opl4_proc.c b/sound/drivers/opl4/opl4_proc.c
index 1679300b7583..df850b8830a5 100644
--- a/sound/drivers/opl4/opl4_proc.c
+++ b/sound/drivers/opl4/opl4_proc.c
@@ -49,77 +49,45 @@ static int snd_opl4_mem_proc_release(struct snd_info_entry *entry,
return 0;
}
-static long snd_opl4_mem_proc_read(struct snd_info_entry *entry, void *file_private_data,
- struct file *file, char __user *_buf,
- unsigned long count, unsigned long pos)
+static ssize_t snd_opl4_mem_proc_read(struct snd_info_entry *entry,
+ void *file_private_data,
+ struct file *file, char __user *_buf,
+ size_t count, loff_t pos)
{
struct snd_opl4 *opl4 = entry->private_data;
- long size;
char* buf;
- size = count;
- if (pos + size > entry->size)
- size = entry->size - pos;
- if (size > 0) {
- buf = vmalloc(size);
- if (!buf)
- return -ENOMEM;
- snd_opl4_read_memory(opl4, buf, pos, size);
- if (copy_to_user(_buf, buf, size)) {
- vfree(buf);
- return -EFAULT;
- }
+ buf = vmalloc(count);
+ if (!buf)
+ return -ENOMEM;
+ snd_opl4_read_memory(opl4, buf, pos, count);
+ if (copy_to_user(_buf, buf, count)) {
vfree(buf);
- return size;
+ return -EFAULT;
}
- return 0;
+ vfree(buf);
+ return count;
}
-static long snd_opl4_mem_proc_write(struct snd_info_entry *entry, void *file_private_data,
- struct file *file, const char __user *_buf,
- unsigned long count, unsigned long pos)
+static ssize_t snd_opl4_mem_proc_write(struct snd_info_entry *entry,
+ void *file_private_data,
+ struct file *file,
+ const char __user *_buf,
+ size_t count, loff_t pos)
{
struct snd_opl4 *opl4 = entry->private_data;
- long size;
char *buf;
- size = count;
- if (pos + size > entry->size)
- size = entry->size - pos;
- if (size > 0) {
- buf = vmalloc(size);
- if (!buf)
- return -ENOMEM;
- if (copy_from_user(buf, _buf, size)) {
- vfree(buf);
- return -EFAULT;
- }
- snd_opl4_write_memory(opl4, buf, pos, size);
+ buf = vmalloc(count);
+ if (!buf)
+ return -ENOMEM;
+ if (copy_from_user(buf, _buf, count)) {
vfree(buf);
- return size;
- }
- return 0;
-}
-
-static long long snd_opl4_mem_proc_llseek(struct snd_info_entry *entry, void *file_private_data,
- struct file *file, long long offset, int orig)
-{
- switch (orig) {
- case SEEK_SET:
- file->f_pos = offset;
- break;
- case SEEK_CUR:
- file->f_pos += offset;
- break;
- case SEEK_END: /* offset is negative */
- file->f_pos = entry->size + offset;
- break;
- default:
- return -EINVAL;
+ return -EFAULT;
}
- if (file->f_pos > entry->size)
- file->f_pos = entry->size;
- return file->f_pos;
+ snd_opl4_write_memory(opl4, buf, pos, count);
+ vfree(buf);
+ return count;
}
static struct snd_info_entry_ops snd_opl4_mem_proc_ops = {
@@ -127,7 +95,6 @@ static struct snd_info_entry_ops snd_opl4_mem_proc_ops = {
.release = snd_opl4_mem_proc_release,
.read = snd_opl4_mem_proc_read,
.write = snd_opl4_mem_proc_write,
- .llseek = snd_opl4_mem_proc_llseek,
};
int snd_opl4_create_proc(struct snd_opl4 *opl4)