From 0bb0a1149e6fb6d8cfdcbcb2dc54d9a7b37db718 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Tue, 15 May 2018 06:50:47 -0700 Subject: [PATCH] signal/mips: Report FPE_FLTUNK for undiagnosed floating point exceptions MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Most mips builds fail with arch/mips/kernel/traps.c: In function ‘force_fcr31_sig’: arch/mips/kernel/traps.c:732:2: error: ‘si_code’ may be used uninitialized in this function Fix the problem by initializing si_code with FPE_FLTUNK (undiagnosed floating point exception). Fixes: f43a54a0d916 ("signal/mips: Use force_sig_fault where appropriate") Cc: linux-mips@linux-mips.org Cc: Eric W. Biederman Signed-off-by: Guenter Roeck Signed-off-by: Eric W. Biederman --- arch/mips/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 66ec4b0b484d..d67fa74622ee 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -716,7 +716,7 @@ asmlinkage void do_ov(struct pt_regs *regs) void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr, struct task_struct *tsk) { - int si_code; + int si_code = FPE_FLTUNK; if (fcr31 & FPU_CSR_INV_X) si_code = FPE_FLTINV; -- 2.11.0