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-rw-r--r--mm/usercopy.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/usercopy.c b/mm/usercopy.c
index 8ebae91..a3cc305 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. */
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