drivers/firewire/core-iso.c: convert to use vm_map_pages_zero()

Convert to use vm_map_pages_zero() to map range of kernel memory to user

This driver has ignored vm_pgoff and mapped the entire pages.  We could
later "fix" these drivers to behave according to the normal vm_pgoff
offsetting simply by removing the _zero suffix on the function name and if
that causes regressions, it gives us an easy way to revert.

Signed-off-by: Souptick Joarder <>
Cc: Boris Ostrovsky <>
Cc: David Airlie <>
Cc: Heiko Stuebner <>
Cc: Joerg Roedel <>
Cc: Joonsoo Kim <>
Cc: Juergen Gross <>
Cc: Kees Cook <>
Cc: "Kirill A. Shutemov" <>
Cc: Kyungmin Park <>
Cc: Marek Szyprowski <>
Cc: Matthew Wilcox <>
Cc: Mauro Carvalho Chehab <>
Cc: Michal Hocko <>
Cc: Mike Rapoport <>
Cc: Oleksandr Andrushchenko <>
Cc: Pawel Osciak <>
Cc: Peter Zijlstra <>
Cc: Rik van Riel <>
Cc: Robin Murphy <>
Cc: Russell King <>
Cc: Sandy Huang <>
Cc: Stefan Richter <>
Cc: Stephen Rothwell <>
Cc: Thierry Reding <>
Cc: Vlastimil Babka <>
Signed-off-by: Andrew Morton <>
Signed-off-by: Linus Torvalds <>
1 file changed