MIPS: Fix special case in 64 bit IP checksumming.

[pandora-kernel.git] / arch / mips / include / asm / checksum.h

diff --git a/arch/mips/include/asm/checksum.h b/arch/mips/include/asm/checksum.h
index f2f7c6c..9b84017 100644 (file)
--- a/arch/mips/include/asm/checksum.h
+++ b/arch/mips/include/asm/checksum.h
@@ -155,7 +155,9 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr,
        "       daddu   %0, %4          \n"
        "       dsll32  $1, %0, 0       \n"
        "       daddu   %0, $1          \n"
+       "       sltu    $1, %0, $1      \n"
        "       dsra32  %0, %0, 0       \n"
+       "       addu    %0, $1          \n"
 #endif
        "       .set    pop"
        : "=r" (sum)