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bfa: switch to fixed_size_llseek()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-06-17 17:45:46 +04:00
parent eb5881d37f
commit c04eba722f
1 changed files with 3 additions and 25 deletions
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28
drivers/scsi/bfa/bfad_debugfs.c
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@ -173,31 +173,9 @@ bfad_debugfs_open_reg(struct inode *inode, struct file *file)
static loff_t static loff_t
bfad_debugfs_lseek(struct file *file, loff_t offset, int orig) bfad_debugfs_lseek(struct file *file, loff_t offset, int orig)
{ {
struct bfad_debug_info *debug; struct bfad_debug_info *debug = file->private_data;
loff_t pos = file->f_pos; return fixed_size_llseek(file, offset, orig,
debug->buffer_len);
debug = file->private_data;
switch (orig) {
case 0:
file->f_pos = offset;
break;
case 1:
file->f_pos += offset;
break;
case 2:
file->f_pos = debug->buffer_len + offset;
break;
default:
return -EINVAL;
}
if (file->f_pos < 0 || file->f_pos > debug->buffer_len) {
file->f_pos = pos;
return -EINVAL;
}
return file->f_pos;
} }
static ssize_t static ssize_t