diff options
Diffstat (limited to 'drivers/char/nvram.c')
| -rw-r--r-- | drivers/char/nvram.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c index 97c2d8d433d6..01292328a456 100644 --- a/drivers/char/nvram.c +++ b/drivers/char/nvram.c @@ -110,6 +110,7 @@ #include <linux/io.h> #include <linux/uaccess.h> #include <linux/mutex.h> +#include <linux/pagemap.h> static DEFINE_MUTEX(nvram_mutex); @@ -213,21 +214,8 @@ void nvram_set_checksum(void) static loff_t nvram_llseek(struct file *file, loff_t offset, int origin) { - switch (origin) { - case 0: - /* nothing to do */ - break; - case 1: - offset += file->f_pos; - break; - case 2: - offset += NVRAM_BYTES; - break; - default: - return -EINVAL; - } - - return (offset >= 0) ? (file->f_pos = offset) : -EINVAL; + return generic_file_llseek_size(file, offset, origin, MAX_LFS_FILESIZE, + NVRAM_BYTES); } static ssize_t nvram_read(struct file *file, char __user *buf, |