diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-08-19 11:28:35 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-10-09 02:39:05 -0400 |
| commit | 594822918de20bf3a50afbc4de65b6f2971a92db (patch) | |
| tree | ec093e00455932ff726b9a5fcec31d6759a3a0fb /drivers/staging/vme | |
| parent | 91360b02ab483fc96a70b8c3016838f5d3725f99 (diff) | |
| download | op-kernel-dev-594822918de20bf3a50afbc4de65b6f2971a92db.zip op-kernel-dev-594822918de20bf3a50afbc4de65b6f2971a92db.tar.gz | |
vme: don't open-code fixed_size_llseek()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/staging/vme')
| -rw-r--r-- | drivers/staging/vme/devices/vme_user.c | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c index 920e50a..cdd2ff7 100644 --- a/drivers/staging/vme/devices/vme_user.c +++ b/drivers/staging/vme/devices/vme_user.c @@ -410,41 +410,19 @@ static ssize_t vme_user_write(struct file *file, const char __user *buf, static loff_t vme_user_llseek(struct file *file, loff_t off, int whence) { - loff_t absolute = -1; unsigned int minor = MINOR(file_inode(file)->i_rdev); size_t image_size; + loff_t res; if (minor == CONTROL_MINOR) return -EINVAL; mutex_lock(&image[minor].mutex); image_size = vme_get_size(image[minor].resource); - - switch (whence) { - case SEEK_SET: - absolute = off; - break; - case SEEK_CUR: - absolute = file->f_pos + off; - break; - case SEEK_END: - absolute = image_size + off; - break; - default: - mutex_unlock(&image[minor].mutex); - return -EINVAL; - } - - if ((absolute < 0) || (absolute >= image_size)) { - mutex_unlock(&image[minor].mutex); - return -EINVAL; - } - - file->f_pos = absolute; - + res = fixed_size_llseek(file, off, whence, image_size); mutex_unlock(&image[minor].mutex); - return absolute; + return res; } /* |
