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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-06 05:39:06 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-09 21:00:45 +0300 |
| commit | b808b1d632f6915e4d6b1badb927b2c970ad11bb (patch) | |
| tree | b3c85ccbb0a685d4beae45598518307624ccb6ac /drivers/char/nvram.c | |
| parent | e1a63bbc40c00d5198b1c1d133b139e962f5e872 (diff) | |
| download | linux-b808b1d632f6915e4d6b1badb927b2c970ad11bb.tar.xz | |
don't open-code generic_file_llseek_size()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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, |