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| author | David S. Miller <davem@davemloft.net> | 2021-12-31 14:35:40 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-12-31 14:35:40 +0000 |
| commit | e63a02348958cd7cc8c8401c94de57ad97b5d06c (patch) | |
| tree | d3f07960e158be75c3002c13d3dc2c142a65fbb7 /tools/lib/bpf/xsk.c | |
| parent | ce2b6eb409ad40607193641c3ec18c3457e1f57c (diff) | |
| parent | 9e6b19a66d9b6b94395478fe79c5a3ccba181ad3 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:
====================
pull-request: bpf-next 2021-12-30
The following pull-request contains BPF updates for your *net-next* tree.
We've added 72 non-merge commits during the last 20 day(s) which contain
a total of 223 files changed, 3510 insertions(+), 1591 deletions(-).
The main changes are:
1) Automatic setrlimit in libbpf when bpf is memcg's in the kernel, from Andrii.
2) Beautify and de-verbose verifier logs, from Christy.
3) Composable verifier types, from Hao.
4) bpf_strncmp helper, from Hou.
5) bpf.h header dependency cleanup, from Jakub.
6) get_func_[arg|ret|arg_cnt] helpers, from Jiri.
7) Sleepable local storage, from KP.
8) Extend kfunc with PTR_TO_CTX, PTR_TO_MEM argument support, from Kumar.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/lib/bpf/xsk.c')
| -rw-r--r-- | tools/lib/bpf/xsk.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c index e8d94c6dd3bc..edafe56664f3 100644 --- a/tools/lib/bpf/xsk.c +++ b/tools/lib/bpf/xsk.c @@ -548,8 +548,7 @@ static int xsk_get_max_queues(struct xsk_socket *xsk) return -errno; ifr.ifr_data = (void *)&channels; - memcpy(ifr.ifr_name, ctx->ifname, IFNAMSIZ - 1); - ifr.ifr_name[IFNAMSIZ - 1] = '\0'; + libbpf_strlcpy(ifr.ifr_name, ctx->ifname, IFNAMSIZ); err = ioctl(fd, SIOCETHTOOL, &ifr); if (err && errno != EOPNOTSUPP) { ret = -errno; @@ -768,8 +767,7 @@ static int xsk_create_xsk_struct(int ifindex, struct xsk_socket *xsk) } ctx->ifindex = ifindex; - memcpy(ctx->ifname, ifname, IFNAMSIZ -1); - ctx->ifname[IFNAMSIZ - 1] = 0; + libbpf_strlcpy(ctx->ifname, ifname, IFNAMSIZ); xsk->ctx = ctx; xsk->ctx->has_bpf_link = xsk_probe_bpf_link(); @@ -951,8 +949,7 @@ static struct xsk_ctx *xsk_create_ctx(struct xsk_socket *xsk, ctx->refcount = 1; ctx->umem = umem; ctx->queue_id = queue_id; - memcpy(ctx->ifname, ifname, IFNAMSIZ - 1); - ctx->ifname[IFNAMSIZ - 1] = '\0'; + libbpf_strlcpy(ctx->ifname, ifname, IFNAMSIZ); ctx->fill = fill; ctx->comp = comp; |