Commit b3741b43 authored by Jakub Kicinski's avatar Jakub Kicinski

Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
pull-request: bpf 2021-01-20

1) Fix wrong bpf_map_peek_elem_proto helper callback, from Mircea Cirjaliu.

2) Fix signed_{sub,add32}_overflows type truncation, from Daniel Borkmann.

3) Fix AF_XDP to also clear pools for inactive queues, from Maxim Mikityanskiy.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf: Fix signed_{sub,add32}_overflows type handling
  xsk: Clear pool even for inactive queues
  bpf: Fix helper bpf_map_peek_elem_proto pointing to wrong callback
====================

Link: https://lore.kernel.org/r/20210120163439.8160-1-daniel@iogearbox.netSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parents 9c30ae83 bc895e8b
......@@ -108,7 +108,7 @@ BPF_CALL_2(bpf_map_peek_elem, struct bpf_map *, map, void *, value)
}
const struct bpf_func_proto bpf_map_peek_elem_proto = {
.func = bpf_map_pop_elem,
.func = bpf_map_peek_elem,
.gpl_only = false,
.ret_type = RET_INTEGER,
.arg1_type = ARG_CONST_MAP_PTR,
......
......@@ -5313,7 +5313,7 @@ static bool signed_add_overflows(s64 a, s64 b)
return res < a;
}
static bool signed_add32_overflows(s64 a, s64 b)
static bool signed_add32_overflows(s32 a, s32 b)
{
/* Do the add in u32, where overflow is well-defined */
s32 res = (s32)((u32)a + (u32)b);
......@@ -5323,7 +5323,7 @@ static bool signed_add32_overflows(s64 a, s64 b)
return res < a;
}
static bool signed_sub_overflows(s32 a, s32 b)
static bool signed_sub_overflows(s64 a, s64 b)
{
/* Do the sub in u64, where overflow is well-defined */
s64 res = (s64)((u64)a - (u64)b);
......@@ -5335,7 +5335,7 @@ static bool signed_sub_overflows(s32 a, s32 b)
static bool signed_sub32_overflows(s32 a, s32 b)
{
/* Do the sub in u64, where overflow is well-defined */
/* Do the sub in u32, where overflow is well-defined */
s32 res = (s32)((u32)a - (u32)b);
if (b < 0)
......
......@@ -108,9 +108,9 @@ EXPORT_SYMBOL(xsk_get_pool_from_qid);
void xsk_clear_pool_at_qid(struct net_device *dev, u16 queue_id)
{
if (queue_id < dev->real_num_rx_queues)
if (queue_id < dev->num_rx_queues)
dev->_rx[queue_id].pool = NULL;
if (queue_id < dev->real_num_tx_queues)
if (queue_id < dev->num_tx_queues)
dev->_tx[queue_id].pool = NULL;
}
......
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