On Sun, Aug 25, 2019 at 11:37:27AM +0530, Souptick Joarder wrote: > First, length passed to mmap is checked explicitly against > PAGE_SIZE. > > Second, if vma->vm_pgoff is passed as non zero, it would return > error. It appears like driver is expecting vma->vm_pgoff to > be passed as 0 always.
? pg_off is not zero Jason
