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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-05 02:04:07 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-05 02:04:07 -0400
commitfbc1ec2efe665c07c8c71f9f19edb018f7984107 (patch)
treee7df9dac12c640a83ce8859300e061f1f8913ecd /mm/usercopy.c
parent02baff325462cc7e81241b21959c5e62e7ca575e (diff)
parentc6935931c1894ff857616ff8549b61236a19148f (diff)
Merge 4.8-rc5 into char-misc-next
We want the fixes in here for merging and testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/usercopy.c')
-rw-r--r--mm/usercopy.c4
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,
124static inline const char *check_bogus_address(const void *ptr, unsigned long n) 124static 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. */