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-rw-r--r--arch/mips/math-emu/cp1emu.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 62deb025970b..82e2993c1a2c 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -2831,6 +2831,13 @@ int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
u16 *instr_ptr;
int sig = 0;
+ /*
+ * Initialize context if it hasn't been used already, otherwise ensure
+ * it has been saved to struct thread_struct.
+ */
+ if (!init_fp_ctx(current))
+ lose_fpu(1);
+
oldepc = xcp->cp0_epc;
do {
prevepc = xcp->cp0_epc;