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don't open-code generic_file_llseek_size()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2015-12-05 21:39:06 -05:00
parent e1a63bbc40
commit b808b1d632
4 changed files with 12 additions and 74 deletions
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21
drivers/char/generic_nvram.c
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@@ -20,6 +20,7 @@
#include <linux/fcntl.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/pagemap.h>
#include <asm/uaccess.h>
#include <asm/nvram.h>
#ifdef CONFIG_PPC_PMAC
@@ -33,24 +34,8 @@ static ssize_t nvram_len;
static loff_t nvram_llseek(struct file *file, loff_t offset, int origin)
{
switch (origin) {
case 0:
break;
case 1:
offset += file->f_pos;
break;
case 2:
offset += nvram_len;
break;
default:
offset = -1;
}
if (offset < 0)
return -EINVAL;
file->f_pos = offset;
return file->f_pos;
return generic_file_llseek_size(file, offset, origin,
MAX_LFS_FILESIZE, nvram_len);
}
static ssize_t read_nvram(struct file *file, char __user *buf,