Commit 18527196 authored by Prashant Bhole's avatar Prashant Bhole Committed by David S. Miller
Browse files

tools: bpftool: open pinned object without type check 



This was needed for opening any file in bpf-fs without knowing
its object type

Signed-off-by: default avatarPrashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 329fca60

tools/bpf/bpftool/common.c

+13 −2
Original line number Diff line number Diff line
@@ -122,9 +122,8 @@ static int mnt_bpffs(const char *target, char *buff, size_t bufflen) 
	return 0;

}



int open_obj_pinned_any(char *path, enum bpf_obj_type exp_type)

int open_obj_pinned(char *path)

{

	enum bpf_obj_type type;

	int fd;



	fd = bpf_obj_get(path);
@@ -136,6 +135,18 @@ int open_obj_pinned_any(char *path, enum bpf_obj_type exp_type) 
		return -1;

	}



	return fd;

}



int open_obj_pinned_any(char *path, enum bpf_obj_type exp_type)

{

	enum bpf_obj_type type;

	int fd;



	fd = open_obj_pinned(path);

	if (fd < 0)

		return -1;



	type = get_fd_type(fd);

	if (type < 0) {

		close(fd);

tools/bpf/bpftool/main.h

+1 −0
Original line number Diff line number Diff line
@@ -89,6 +89,7 @@ int cmd_select(const struct cmd *cmds, int argc, char **argv, 
int get_fd_type(int fd);

const char *get_fd_type_name(enum bpf_obj_type type);

char *get_fdinfo(int fd, const char *key);

int open_obj_pinned(char *path);

int open_obj_pinned_any(char *path, enum bpf_obj_type exp_type);

int do_pin_any(int argc, char **argv, int (*get_fd_by_id)(__u32));