sparc64: Fix offset calculation in compute_size()

The fault address is somewhere inside of the buffer, not
before it.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/sparc64/lib/user_fixup.c b/arch/sparc64/lib/user_fixup.c
index 19d1fdb17d0e..05a361b0a1a4 100644
--- a/arch/sparc64/lib/user_fixup.c
+++ b/arch/sparc64/lib/user_fixup.c
@@ -24,7 +24,7 @@ static unsigned long compute_size(unsigned long start, unsigned long size, unsig
         if (fault_addr < start || fault_addr >= end) {
                 *offset = 0;
         } else {
-                *offset = start - fault_addr;
+                *offset = fault_addr - start;
                 size = end - fault_addr;
         }
         return size;