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proc_powerpc: switch to fixed_size_llseek()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-06-23 12:35:26 +04:00
parent 4a1f2f386b
commit b33159b7d2
1 changed files with 2 additions and 18 deletions
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20
arch/powerpc/kernel/proc_powerpc.c
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@ -29,25 +29,9 @@
#ifdef CONFIG_PPC64
static loff_t page_map_seek( struct file *file, loff_t off, int whence)
static loff_t page_map_seek(struct file *file, loff_t off, int whence)
{
loff_t new;
switch(whence) {
case 0:
new = off;
break;
case 1:
new = file->f_pos + off;
break;
case 2:
new = PAGE_SIZE + off;
break;
default:
return -EINVAL;
}
if ( new < 0 || new > PAGE_SIZE )
return -EINVAL;
return (file->f_pos = new);
return fixed_size_llseek(file, off, whence, PAGE_SIZE);
}
static ssize_t page_map_read( struct file *file, char __user *buf, size_t nbytes,