diff options
| author | Ira Weiny <ira.weiny@intel.com> | 2014-08-08 19:00:54 -0400 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-08-10 20:36:00 -0700 |
| commit | 9ad13a423484725324fb2c5c5ab527d6bf9d84cc (patch) | |
| tree | a32aeb578a1bc47bd016a7cc8dad65b1a85d9bfa /drivers/infiniband/core/user_mad.c | |
| parent | 7ef5d4b0463c095a994890131918d3301d8404ee (diff) | |
| download | linux-9ad13a423484725324fb2c5c5ab527d6bf9d84cc.tar.gz linux-9ad13a423484725324fb2c5c5ab527d6bf9d84cc.tar.bz2 linux-9ad13a423484725324fb2c5c5ab527d6bf9d84cc.zip | |
IB/mad: Add dev_notice messages for various umad/mad registration failures
Registration failures can be difficult to debug from userspace. This
gives more visibility.
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/core/user_mad.c')
| -rw-r--r-- | drivers/infiniband/core/user_mad.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 6be596dc360a..ea90a3ebb9c2 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -616,6 +616,8 @@ static int ib_umad_reg_agent(struct ib_umad_file *file, void __user *arg, mutex_lock(&file->mutex); if (!file->port->ib_dev) { + dev_notice(file->port->dev, + "ib_umad_reg_agent: invalid device\n"); ret = -EPIPE; goto out; } @@ -626,6 +628,9 @@ static int ib_umad_reg_agent(struct ib_umad_file *file, void __user *arg, } if (ureq.qpn != 0 && ureq.qpn != 1) { + dev_notice(file->port->dev, + "ib_umad_reg_agent: invalid QPN %d specified\n", + ureq.qpn); ret = -EINVAL; goto out; } @@ -634,6 +639,9 @@ static int ib_umad_reg_agent(struct ib_umad_file *file, void __user *arg, if (!__get_agent(file, agent_id)) goto found; + dev_notice(file->port->dev, + "ib_umad_reg_agent: Max Agents (%u) reached\n", + IB_UMAD_MAX_AGENTS); ret = -ENOMEM; goto out; |