diff options
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, | |||
| 83 | unsigned long check_high = check_low + n; | 83 | unsigned long check_high = check_low + n; |
| 84 | 84 | ||
| 85 | /* Does not overlap if entirely above or entirely below. */ | 85 | /* Does not overlap if entirely above or entirely below. */ |
| 86 | if (check_low >= high || check_high < low) | 86 | if (check_low >= high || check_high <= low) |
| 87 | return false; | 87 | return false; |
| 88 | 88 | ||
| 89 | return true; | 89 | return true; |
| @@ -124,7 +124,7 @@ static inline const char *check_kernel_text_object(const void *ptr, | |||
| 124 | static inline const char *check_bogus_address(const void *ptr, unsigned long n) | 124 | static inline const char *check_bogus_address(const void *ptr, unsigned long n) |
| 125 | { | 125 | { |
| 126 | /* Reject if object wraps past end of memory. */ | 126 | /* Reject if object wraps past end of memory. */ |
| 127 | if (ptr + n < ptr) | 127 | if ((unsigned long)ptr + n < (unsigned long)ptr) |
| 128 | return "<wrapped address>"; | 128 | return "<wrapped address>"; |
| 129 | 129 | ||
| 130 | /* Reject if NULL or ZERO-allocation. */ | 130 | /* Reject if NULL or ZERO-allocation. */ |