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authorLeon Romanovsky <leonro@mellanox.com>2019-10-29 08:27:31 +0200
committerJason Gunthorpe <jgg@mellanox.com>2019-11-06 15:38:28 -0400
commitbe4a8d46732a45e78aa27c34b58431a917cd644d (patch)
tree2f51f0816e9f301563584fb9712f9f7d0109ffe0 /drivers/infiniband/hw/qib/qib_mad.c
parentRDMA/qib: Delete empty check_cc_key function (diff)
downloadlinux-dev-be4a8d46732a45e78aa27c34b58431a917cd644d.tar.xz
linux-dev-be4a8d46732a45e78aa27c34b58431a917cd644d.zip
RDMA/mad: Allocate zeroed MAD buffer
Ensure that MAD output buffer is zero-based allocated in all the callers of process_mad and remove the various memset()'s from the drivers. Link: https://lore.kernel.org/r/20191029062745.7932-3-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_mad.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_mad.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index 818ec37a3215..6fbba0d54269 100644
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -2098,8 +2098,6 @@ static int cc_get_classportinfo(struct ib_cc_mad *ccp,
struct ib_cc_classportinfo_attr *p =
(struct ib_cc_classportinfo_attr *)ccp->mgmt_data;
- memset(ccp->mgmt_data, 0, sizeof(ccp->mgmt_data));
-
p->base_version = 1;
p->class_version = 1;
p->cap_mask = 0;
@@ -2120,8 +2118,6 @@ static int cc_get_congestion_info(struct ib_cc_mad *ccp,
struct qib_ibport *ibp = to_iport(ibdev, port);
struct qib_pportdata *ppd = ppd_from_ibp(ibp);
- memset(ccp->mgmt_data, 0, sizeof(ccp->mgmt_data));
-
p->congestion_info = 0;
p->control_table_cap = ppd->cc_max_table_entries;
@@ -2138,8 +2134,6 @@ static int cc_get_congestion_setting(struct ib_cc_mad *ccp,
struct qib_pportdata *ppd = ppd_from_ibp(ibp);
struct ib_cc_congestion_entry_shadow *entries;
- memset(ccp->mgmt_data, 0, sizeof(ccp->mgmt_data));
-
spin_lock(&ppd->cc_shadow_lock);
entries = ppd->congestion_entries_shadow->entries;
@@ -2176,8 +2170,6 @@ static int cc_get_congestion_control_table(struct ib_cc_mad *ccp,
if (cct_block_index > IB_CC_TABLE_CAP_DEFAULT - 1)
goto bail;
- memset(ccp->mgmt_data, 0, sizeof(ccp->mgmt_data));
-
spin_lock(&ppd->cc_shadow_lock);
max_cct_block =