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| author | xypron.glpk@gmx.de <xypron.glpk@gmx.de> | 2016-05-09 00:46:18 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-18 18:35:08 -0700 |
| commit | 56633a532c9b3aa41ef8aca951d37ebdd5997a1a (patch) | |
| tree | 6e84ce2d57d9491d997aa9965d91e3999c36a3bb | |
| parent | f7ee286fab0b55bf5908978c94e50d52e627b3ac (diff) | |
| download | linux-stable-56633a532c9b3aa41ef8aca951d37ebdd5997a1a.tar.gz linux-stable-56633a532c9b3aa41ef8aca951d37ebdd5997a1a.tar.bz2 linux-stable-56633a532c9b3aa41ef8aca951d37ebdd5997a1a.zip | |
net: thunderx: avoid exposing kernel stack
[ Upstream commit 161de2caf68c549c266e571ffba8e2163886fb10 ]
Reserved fields should be set to zero to avoid exposing
bits from the kernel stack.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index 767347b1f631..f50bdbfaae7c 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -519,6 +519,7 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs, nicvf_config_vlan_stripping(nic, nic->netdev->features); /* Enable Receive queue */ + memset(&rq_cfg, 0, sizeof(struct rq_cfg)); rq_cfg.ena = 1; rq_cfg.tcp_ena = 0; nicvf_queue_reg_write(nic, NIC_QSET_RQ_0_7_CFG, qidx, *(u64 *)&rq_cfg); @@ -551,6 +552,7 @@ void nicvf_cmp_queue_config(struct nicvf *nic, struct queue_set *qs, qidx, (u64)(cq->dmem.phys_base)); /* Enable Completion queue */ + memset(&cq_cfg, 0, sizeof(struct cq_cfg)); cq_cfg.ena = 1; cq_cfg.reset = 0; cq_cfg.caching = 0; @@ -599,6 +601,7 @@ static void nicvf_snd_queue_config(struct nicvf *nic, struct queue_set *qs, qidx, (u64)(sq->dmem.phys_base)); /* Enable send queue & set queue size */ + memset(&sq_cfg, 0, sizeof(struct sq_cfg)); sq_cfg.ena = 1; sq_cfg.reset = 0; sq_cfg.ldwb = 0; @@ -635,6 +638,7 @@ static void nicvf_rbdr_config(struct nicvf *nic, struct queue_set *qs, /* Enable RBDR & set queue size */ /* Buffer size should be in multiples of 128 bytes */ + memset(&rbdr_cfg, 0, sizeof(struct rbdr_cfg)); rbdr_cfg.ena = 1; rbdr_cfg.reset = 0; rbdr_cfg.ldwb = 0; |