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| author | Jakub Kicinski <kuba@kernel.org> | 2022-02-17 12:22:28 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-02-17 12:22:28 -0800 |
| commit | 93d11e0d76e3c5a8350c77d1463d9f845bdc9307 (patch) | |
| tree | c6116c2fc89cd42c15201f710dc3096b7b9e491c /net | |
| parent | 6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c (diff) | |
| parent | 7a2fb91285151e843d6f30c0689536a4747712cb (diff) | |
| download | linux-93d11e0d76e3c5a8350c77d1463d9f845bdc9307.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Fast path bpf marge for some -next work.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/filter.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 818244068c2d..65869fd510e8 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2710,6 +2710,9 @@ BPF_CALL_4(bpf_msg_push_data, struct sk_msg *, msg, u32, start, if (unlikely(flags)) return -EINVAL; + if (unlikely(len == 0)) + return 0; + /* First find the starting scatterlist element */ i = msg->sg.start; do { |