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bpf: Remove redundant ifdef 

Remove a useless ifdef __NR_bpf as requested by Wang Nan.

Inline one-line static functions as it was in the bpf_sys.h file.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/r/828ab1ff-4dcf-53ff-c97b-074adb895006@huawei.com
Acked-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mickaël Salaün 2017-02-11 20:37:08 +01:00 committed by David S. Miller
parent 99f5711e7c
commit cdc6a4ba88
1 changed files with 3 additions and 9 deletions
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12
tools/lib/bpf/bpf.c
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@ -42,21 +42,15 @@
# endif
#endif
static __u64 ptr_to_u64(const void *ptr)
static inline __u64 ptr_to_u64(const void *ptr)
{
return (__u64) (unsigned long) ptr;
}
static int sys_bpf(enum bpf_cmd cmd, union bpf_attr *attr,
unsigned int size)
static inline int sys_bpf(enum bpf_cmd cmd, union bpf_attr *attr,
unsigned int size)
{
#ifdef __NR_bpf
return syscall(__NR_bpf, cmd, attr, size);
#else
fprintf(stderr, "No bpf syscall, kernel headers too old?\n");
errno = ENOSYS;
return -1;
#endif
}
int bpf_create_map(enum bpf_map_type map_type, int key_size,