signal/mips: Report FPE_FLTUNK for undiagnosed floating point exceptions
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 <ebiederm@xmission.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 66ec4b0..d67fa74 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;