kernel: mips_disable_fpu: initialize fault_addr in fpu_emulator_cop1Handler

[openwrt.git] / target / linux / generic / patches-4.1 / 304-mips_disable_fpu.patch

diff --git a/target/linux/generic/patches-4.1/304-mips_disable_fpu.patch b/target/linux/generic/patches-4.1/304-mips_disable_fpu.patch
index 8b5a151..1800422 100644 (file)
--- a/target/linux/generic/patches-4.1/304-mips_disable_fpu.patch
+++ b/target/linux/generic/patches-4.1/304-mips_disable_fpu.patch
@@ -82,7 +82,7 @@ v2: incorporated changes suggested by Jonas Gorski
  #ifdef CONFIG_DEBUG_FS
  
  struct mips_fpu_emulator_stats {
-@@ -66,6 +67,20 @@ extern int do_dsemulret(struct pt_regs *
+@@ -66,6 +67,21 @@ extern int do_dsemulret(struct pt_regs *
  extern int fpu_emulator_cop1Handler(struct pt_regs *xcp,
                                    struct mips_fpu_struct *ctx, int has_fpu,
                                    void *__user *fault_addr);
@@ -96,6 +96,7 @@ v2: incorporated changes suggested by Jonas Gorski
 +                              struct mips_fpu_struct *ctx, int has_fpu,
 +                              void *__user *fault_addr)
 +{
++      *fault_addr = NULL;
 +      return SIGILL;  /* we don't speak MIPS FPU */
 +}
 +#endif        /* CONFIG_MIPS_FPU_EMULATOR */