[PATCH] ARM:net: an issue for k which is u32, never < 0
Chen Gang
gang.chen at asianux.com
Mon Mar 11 20:01:43 EDT 2013
于 2013年03月12日 00:54, Mircea Gherzan 写道:
> 2013/3/10 Chen Gang <gang.chen at asianux.com>:
>> >
>> > k is u32 which never < 0, need type cast, or cause issue.
>> >
>> > Signed-off-by: Chen Gang <gang.chen at asianux.com>
>> > ---
>> > arch/arm/net/bpf_jit_32.c | 2 +-
>> > 1 files changed, 1 insertions(+), 1 deletions(-)
>> >
>> > diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
>> > index 6828ef6..a0bd8a7 100644
>> > --- a/arch/arm/net/bpf_jit_32.c
>> > +++ b/arch/arm/net/bpf_jit_32.c
>> > @@ -576,7 +576,7 @@ load_ind:
>> > /* x = ((*(frame + k)) & 0xf) << 2; */
>> > ctx->seen |= SEEN_X | SEEN_DATA | SEEN_CALL;
>> > /* the interpreter should deal with the negative K */
>> > - if (k < 0)
>> > + if ((int)k < 0)
>> > return -1;
>> > /* offset in r1: we might have to take the slow path */
>> > emit_mov_i(r_off, k, ctx);
>> > --
>> > 1.7.7.6
> Acked-by: Mircea Gherzan <mgherzan at gmail.com>
>
>
thank you very much.
:-)
--
Chen Gang
Asianux Corporation
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