diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-09-05 12:09:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-09-05 12:09:59 +0200 |
| commit | 2cc538412a1ca103923ec400a339a5b3833e0280 (patch) | |
| tree | c141b83e1da736c3d069ed491816d0096e1b532a /mm/usercopy.c | |
| parent | 36e674a05164cdbb9d4a5b1b0b279fabae6c13bd (diff) | |
| parent | 58763148758057ffc447bf990321d3ea86d199a0 (diff) | |
Merge branch 'perf/urgent' into perf/core, to pick up fixed and resolve conflicts
Conflicts:
kernel/events/core.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/usercopy.c')
| -rw-r--r-- | mm/usercopy.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/usercopy.c b/mm/usercopy.c index 8ebae91a6b55..a3cc3052f830 100644 --- a/mm/usercopy.c +++ b/mm/usercopy.c @@ -83,7 +83,7 @@ static bool overlaps(const void *ptr, unsigned long n, unsigned long low, unsigned long check_high = check_low + n; /* Does not overlap if entirely above or entirely below. */ - if (check_low >= high || check_high < low) + if (check_low >= high || check_high <= low) return false; return true; @@ -124,7 +124,7 @@ static inline const char *check_kernel_text_object(const void *ptr, static inline const char *check_bogus_address(const void *ptr, unsigned long n) { /* Reject if object wraps past end of memory. */ - if (ptr + n < ptr) + if ((unsigned long)ptr + n < (unsigned long)ptr) return "<wrapped address>"; /* Reject if NULL or ZERO-allocation. */ |