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IB/mad: Remove improper use of BUG_ON 

We recently added BUG_ON's which were inappropriate for a condition which
should never happen. Change these to be WARN_ON_ONCE as a debugging aid.

Fixes: 4cd7c9479a ('IB/mad: Add support for additional MAD info to/from drivers')

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
hifive-unleashed-5.1
Ira Weiny 2015-06-25 09:52:50 -04:00 committed by Doug Ledford
parent cd4cd565e0
commit 3b8ab700af
7 changed files with 21 additions and 14 deletions
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5
drivers/infiniband/hw/ehca/ehca_sqp.c
View File

@ -226,8 +226,9 @@ int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
if (!port_num || port_num > ibdev->phys_port_cnt || !in_wc)
return IB_MAD_RESULT_FAILURE;

5
drivers/infiniband/hw/ipath/ipath_mad.c
View File

@ -1499,8 +1499,9 @@ int ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (in_mad->mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:

5
drivers/infiniband/hw/mlx4/mad.c
View File

@ -861,8 +861,9 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (rdma_port_get_link_layer(ibdev, port_num)) {
case IB_LINK_LAYER_INFINIBAND:

5
drivers/infiniband/hw/mlx5/mad.c
View File

@ -68,8 +68,9 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE);

5
drivers/infiniband/hw/mthca/mthca_mad.c
View File

@ -209,8 +209,9 @@ int mthca_process_mad(struct ib_device *ibdev,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
/* Forward locally generated traps to the SM */
if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP &&

5
drivers/infiniband/hw/ocrdma/ocrdma_ah.c
View File

@ -215,8 +215,9 @@ int ocrdma_process_mad(struct ib_device *ibdev,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (in_mad->mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_PERF_MGMT:

5
drivers/infiniband/hw/qib/qib_mad.c
View File

@ -2412,8 +2412,9 @@ int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (in_mad->mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: