Revision 77e5bdf9f7b2d20939c8d807f3e68778d6e1557a authored by Linus Torvalds on 14 September 2016, 16:35:05 UTC, committed by Linus Torvalds on 14 September 2016, 16:35:05 UTC
Pull uaccess fixes from Al Viro:
 "Fixes for broken uaccess primitives - mostly lack of proper zeroing
  in copy_from_user()/get_user()/__get_user(), but for several
  architectures there's more (broken clear_user() on frv and
  strncpy_from_user() on hexagon)"

* 'uaccess-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (28 commits)
  avr32: fix copy_from_user()
  microblaze: fix __get_user()
  microblaze: fix copy_from_user()
  m32r: fix __get_user()
  blackfin: fix copy_from_user()
  sparc32: fix copy_from_user()
  sh: fix copy_from_user()
  sh64: failing __get_user() should zero
  score: fix copy_from_user() and friends
  score: fix __get_user/get_user
  s390: get_user() should zero on failure
  ppc32: fix copy_from_user()
  parisc: fix copy_from_user()
  openrisc: fix copy_from_user()
  nios2: fix __get_user()
  nios2: copy_from_user() should zero the tail of destination
  mn10300: copy_from_user() should zero on access_ok() failure...
  mn10300: failing __get_user() and get_user() should zero
  mips: copy_from_user() must zero the destination on access_ok() failure
  ARC: uaccess: get_user to zero out dest in cause of fault
  ...
2 parent s b8f26e8 + 8630c32
Raw File
ceph_frag.c
/*
 * Ceph 'frag' type
 */
#include <linux/module.h>
#include <linux/ceph/types.h>

int ceph_frag_compare(__u32 a, __u32 b)
{
	unsigned va = ceph_frag_value(a);
	unsigned vb = ceph_frag_value(b);
	if (va < vb)
		return -1;
	if (va > vb)
		return 1;
	va = ceph_frag_bits(a);
	vb = ceph_frag_bits(b);
	if (va < vb)
		return -1;
	if (va > vb)
		return 1;
	return 0;
}
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