Commit e59ac634 authored Mar 28, 2018 by Jakub Kicinski Committed by Alexei Starovoitov Mar 28, 2018

bpf: add parenthesis around argument of BPF_LDST_BYTES()



BPF_LDST_BYTES() does not put it's argument in parenthesis
when referencing it.  This makes it impossible to pass pointers
obtained by address-of operator (e.g. BPF_LDST_BYTES(&insn)).
Add the parenthesis.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

parent bfee64de

include/linux/filter.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -372,7 +372,7 @@ struct xdp_rxq_info;

		#define BPF_LDST_BYTES(insn) \
		({ \
		const int __size = bpf_size_to_bytes(BPF_SIZE(insn->code)); \
		const int __size = bpf_size_to_bytes(BPF_SIZE((insn)->code)); \
		WARN_ON(__size < 0); \
		__size; \
		})