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bpf: fix inconsistent return types of bpf_xdp_copy_buf().

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Fix inconsistent return types in two implementations of bpf_xdp_copy_buf().

There are two implementations: one is an empty implementation whose return
type does not match the actual implementation.

Suggested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20230804005101.1534505-1-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
This commit is contained in:
Kui-Feng Lee
2023-08-03 17:51:01 -07:00
committed by Martin KaFai Lau
parent 9eab71bd88
commit 8a60a041ea
1 changed files with 2 additions and 3 deletions
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5
include/linux/filter.h
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@@ -1572,10 +1572,9 @@ static inline void *bpf_xdp_pointer(struct xdp_buff *xdp, u32 offset, u32 len)
return NULL;
}
static inline void *bpf_xdp_copy_buf(struct xdp_buff *xdp, unsigned long off, void *buf,
unsigned long len, bool flush)
static inline void bpf_xdp_copy_buf(struct xdp_buff *xdp, unsigned long off, void *buf,
unsigned long len, bool flush)
{
return NULL;
}
#endif /* CONFIG_NET */