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Diffstat (limited to 'src/runtime/sys_linux_mips64x.s')
-rw-r--r--src/runtime/sys_linux_mips64x.s4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/runtime/sys_linux_mips64x.s b/src/runtime/sys_linux_mips64x.s
index 723cfe43d9..6668a0fd86 100644
--- a/src/runtime/sys_linux_mips64x.s
+++ b/src/runtime/sys_linux_mips64x.s
@@ -117,6 +117,8 @@ TEXT runtime·pipe(SB),NOSPLIT|NOFRAME,$0-12
MOVV R0, R5
MOVV $SYS_pipe2, R2
SYSCALL
+ BEQ R7, 2(PC)
+ SUBVU R2, R0, R2 // caller expects negative errno
MOVW R2, errno+8(FP)
RET
@@ -126,6 +128,8 @@ TEXT runtime·pipe2(SB),NOSPLIT|NOFRAME,$0-20
MOVW flags+0(FP), R5
MOVV $SYS_pipe2, R2
SYSCALL
+ BEQ R7, 2(PC)
+ SUBVU R2, R0, R2 // caller expects negative errno
MOVW R2, errno+16(FP)
RET