[patch 07/83] sparc64: Fix offset calculation in compute_size()

[Greg KH]

2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------

From: David S. Miller <davem@xxxxxxxxxxxxx>

[ Upstream commit b270ee8a9fc9547eb781ce9ccd379450bcf9a204 ]

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

Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 arch/sparc64/lib/user_fixup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/sparc64/lib/user_fixup.c
+++ b/arch/sparc64/lib/user_fixup.c
@@ -24,7 +24,7 @@ static unsigned long compute_size(unsign
 	if (fault_addr < start || fault_addr >= end) {
 		*offset = 0;
 	} else {
-		*offset = start - fault_addr;
+		*offset = fault_addr - start;
 		size = end - fault_addr;
 	}
 	return size;

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