1 files changed, 4 insertions, 0 deletions

diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 4677b4c67da6..696d59e40fa4 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -581,6 +581,10 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
         if ((value & PR_FP_MODE_FRE) && cpu_has_fpu && !cpu_has_fre)
                 return -EOPNOTSUPP;
 
+        /* FR = 0 not supported in MIPS R6 */
+        if (!(value & PR_FP_MODE_FR) && cpu_has_fpu && cpu_has_mips_r6)
+                return -EOPNOTSUPP;
+
         /* Save FP & vector context, then disable FPU & MSA */
         if (task->signal == current->signal)
                 lose_fpu(1);