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tools: bpftool: compile with $(EXTRA_WARNINGS)

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Compile bpftool with $(EXTRA_WARNINGS), as defined in
scripts/Makefile.include, and fix the new warnings produced.

Simply leave -Wswitch-enum out of the warning list, as we have several
switch-case structures where it is not desirable to process all values
of an enum.

Remove -Wshadow from the warnings we manually add to CFLAGS, as it is
handled in $(EXTRA_WARNINGS).

Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Quentin Monnet 2019-08-14 12:37:24 +01:00 committed by Daniel Borkmann
parent c162610c7d
commit a9436dca11
3 changed files with 7 additions and 2 deletions
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3
tools/bpf/bpftool/Makefile
View File

@ -37,7 +37,8 @@ prefix ?= /usr/local
bash_compdir ?= /usr/share/bash-completion/completions
CFLAGS += -O2
CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow -Wno-missing-field-initializers
CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
CFLAGS += $(filter-out -Wswitch-enum,$(EXTRA_WARNINGS))
CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
-I$(srctree)/kernel/bpf/ \
-I$(srctree)/tools/include \

2
tools/bpf/bpftool/cgroup.c
View File

@ -120,8 +120,8 @@ static int count_attached_bpf_progs(int cgroup_fd, enum bpf_attach_type type)
static int show_attached_bpf_progs(int cgroup_fd, enum bpf_attach_type type,
int level)
{
const char *attach_flags_str;
__u32 prog_ids[1024] = {0};
char *attach_flags_str;
__u32 prog_cnt, iter;
__u32 attach_flags;
char buf[32];

4
tools/bpf/bpftool/perf.c
View File

@ -104,6 +104,8 @@ static void print_perf_json(int pid, int fd, __u32 prog_id, __u32 fd_type,
jsonw_string_field(json_wtr, "filename", buf);
jsonw_lluint_field(json_wtr, "offset", probe_offset);
break;
default:
break;
}
jsonw_end_object(json_wtr);
}
@ -140,6 +142,8 @@ static void print_perf_plain(int pid, int fd, __u32 prog_id, __u32 fd_type,
printf("uretprobe filename %s offset %llu\n", buf,
probe_offset);
break;
default:
break;
}
}