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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2015-12-05 21:39:06 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-09 13:00:45 -0500 |
| commit | b808b1d632f6915e4d6b1badb927b2c970ad11bb (patch) | |
| tree | b3c85ccbb0a685d4beae45598518307624ccb6ac /drivers/char/generic_nvram.c | |
| parent | restore_nameidata(): no need to clear now->stack (diff) | |
| download | linux-dev-b808b1d632f6915e4d6b1badb927b2c970ad11bb.tar.xz linux-dev-b808b1d632f6915e4d6b1badb927b2c970ad11bb.zip | |
don't open-code generic_file_llseek_size()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/char/generic_nvram.c')
| -rw-r--r-- | drivers/char/generic_nvram.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c index 6c4f4b5a9dd3..073db9558379 100644 --- a/drivers/char/generic_nvram.c +++ b/drivers/char/generic_nvram.c @@ -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, |