In DEFINE_SIMPLE_ATTRIBUTE() macro, since we use nonseekable_open() to open, we should use no_llseek() to seek, not generic_file_llseek(). Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx> --- include/linux/fs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/fs.h b/include/linux/fs.h index 9ea93c6..8762287 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3117,7 +3117,7 @@ static const struct file_operations __fops = { \ .release = simple_attr_release, \ .read = simple_attr_read, \ .write = simple_attr_write, \ - .llseek = generic_file_llseek, \ + .llseek = no_llseek, \ } static inline __printf(1, 2) -- 2.9.3