AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-04 02:06:43 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

kernel: avoid overflow in cmp_range

Browse Source 
Avoid overflow possibility.

[ The overflow is purely theoretical, since this is used for memory
  ranges that aren't even close to using the full 64 bits, but this is
  the right thing to do regardless.  - Linus ]

Signed-off-by: Louis Langholtz <lou_langholtz@me.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Peter Anvin <hpa@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Louis Langholtz 2015-01-15 22:04:46 -07:00 committed by Linus Torvalds
parent 7ad4b4ae57
commit fc7f0dd381
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
kernel/range.c
View File

@ -113,12 +113,12 @@ static int cmp_range(const void *x1, const void *x2)
{
const struct range *r1 = x1;
const struct range *r2 = x2;
s64 start1, start2;
start1 = r1->start;
start2 = r2->start;
return start1 - start2;
if (r1->start < r2->start)
return -1;
if (r1->start > r2->start)
return 1;
return 0;
}
int clean_sort_range(struct range *range, int az)