diff options
Diffstat (limited to 'arch/sparc/net/bpf_jit_asm.S')
| -rw-r--r-- | arch/sparc/net/bpf_jit_asm.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sparc/net/bpf_jit_asm.S b/arch/sparc/net/bpf_jit_asm.S index 46d8f59f14c5..9d016c7017f7 100644 --- a/arch/sparc/net/bpf_jit_asm.S +++ b/arch/sparc/net/bpf_jit_asm.S @@ -195,5 +195,11 @@ bpf_jit_load_byte_msh_negative_offset: sll r_OFF, 2, r_X bpf_error: + /* Make the JIT program return zero. The JIT epilogue + * stores away the original %o7 into r_saved_O7. The + * normal leaf function return is to use "retl" which + * would evalute to "jmpl %o7 + 8, %g0" but we want to + * use the saved value thus the sequence you see here. + */ jmpl r_saved_O7 + 8, %g0 clr %o0 |
