* [dpdk-dev] [Bug 121] In ixgbe_tx_free_bufs function the variable free on stack is used before initialization
@ 2018-12-07 14:55 bugzilla
0 siblings, 0 replies; only message in thread
From: bugzilla @ 2018-12-07 14:55 UTC (permalink / raw)
To: dev
https://bugs.dpdk.org/show_bug.cgi?id=121
Bug ID: 121
Summary: In ixgbe_tx_free_bufs function the variable free on
stack is used before initialization
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: CONFIRMED
Severity: normal
Priority: Normal
Component: core
Assignee: dev@dpdk.org
Reporter: valentin.radulescu@enea.com
Target Milestone: ---
static __rte_always_inline int
ixgbe_tx_free_bufs(struct ixgbe_tx_queue *txq)
{
....
struct rte_mbuf *m, *free[RTE_IXGBE_TX_MAX_FREE_BUF_SZ];
....
if (nb_free >= RTE_IXGBE_TX_MAX_FREE_BUF_SZ ||
(nb_free > 0 && m->pool != free[0]->pool)) { <---free[0] is from
the stack
rte_mempool_put_bulk(free[0]->pool,
(void **)free, nb_free);
nb_free = 0;
}
free[nb_free++] = m; <-- free is set later
}
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