RE: [PATCH v3 bpf] trace: bpf: Fix passing zero to PTR_ERR()

2020-11-09 Thread John Fastabend
Wang Qing wrote: > There is a bug when passing zero to PTR_ERR() and return. > Fix smatch err. > > Signed-off-by: Wang Qing > --- > kernel/trace/bpf_trace.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c > index 4517c

Re: [PATCH v3 bpf] trace: bpf: Fix passing zero to PTR_ERR()

2020-11-07 Thread Yonghong Song
On 11/6/20 11:45 PM, Wang Qing wrote: There is a bug when passing zero to PTR_ERR() and return. Fix smatch err. Signed-off-by: Wang Qing Acked-by: Yonghong Song