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bpf: Use char in prog and map name

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Instead of u8, use char for prog and map name.  It can avoid the
userspace tool getting compiler's signess warning.  The
bpf_prog_aux, bpf_map, bpf_attr, bpf_prog_info and
bpf_map_info are changed.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Martin KaFai Lau 2017-10-05 21:52:12 -07:00 • committed by David S. Miller
parent 473d97343f
commit 067cae4777
3 changed files with 10 additions and 10 deletions
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8
include/uapi/linux/bpf.h
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@ -230,7 +230,7 @@ union bpf_attr {
__u32 numa_node; /* numa node (effective only if
* BPF_F_NUMA_NODE is set).
*/
__u8 map_name[BPF_OBJ_NAME_LEN];
char map_name[BPF_OBJ_NAME_LEN];
};
struct { /* anonymous struct used by BPF_MAP_*_ELEM commands */
@ -253,7 +253,7 @@ union bpf_attr {
__aligned_u64 log_buf; /* user supplied buffer */
__u32 kern_version; /* checked when prog_type=kprobe */
__u32 prog_flags;
__u8 prog_name[BPF_OBJ_NAME_LEN];
char prog_name[BPF_OBJ_NAME_LEN];
};
struct { /* anonymous struct used by BPF_OBJ_* commands */
@ -888,7 +888,7 @@ struct bpf_prog_info {
__u32 created_by_uid;
__u32 nr_map_ids;
__aligned_u64 map_ids;
__u8 name[BPF_OBJ_NAME_LEN];
char name[BPF_OBJ_NAME_LEN];
} __attribute__((aligned(8)));
struct bpf_map_info {
@ -898,7 +898,7 @@ struct bpf_map_info {
__u32 value_size;
__u32 max_entries;
__u32 map_flags;
__u8 name[BPF_OBJ_NAME_LEN];
char name[BPF_OBJ_NAME_LEN];
} __attribute__((aligned(8)));
/* User bpf_sock_ops struct to access socket values and specify request ops