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authorSteve Wise <swise@opengridcomputing.com>2017-11-02 14:11:03 -0700
committerDoug Ledford <dledford@redhat.com>2017-11-13 15:01:25 -0500
commitba97b749979ef0ebb821e58ee8b16a84412922f6 (patch)
tree84f151ef1ef1931a5fc6512ea3fbce637770a4a9 /drivers/infiniband/hw/cxgb4/provider.c
parentbnxt_re: changing the ip address shouldn't affect new connections (diff)
downloadlinux-dev-ba97b749979ef0ebb821e58ee8b16a84412922f6.tar.xz
linux-dev-ba97b749979ef0ebb821e58ee8b16a84412922f6.zip
iw_cxgb4: remove BUG_ON() usage.
iw_cxgb4 has many BUG_ON()s that were left over from various enhancemnets made over the years. Almost all of them should just be removed. Some, however indicate a ULP usage error and can be handled w/o bringing down the system. If the condition cannot happen with correctly implemented cxgb4 sw/fw, then remove the BUG_ON. If the condition indicates a misbehaving ULP (like CQ overflows), add proper recovery logic. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/provider.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/provider.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index fb99a05562a3..30206a57dbe7 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -310,8 +310,9 @@ static int c4iw_query_gid(struct ib_device *ibdev, u8 port, int index,
pr_debug("ibdev %p, port %d, index %d, gid %p\n",
ibdev, port, index, gid);
+ if (!port)
+ return -EINVAL;
dev = to_c4iw_dev(ibdev);
- BUG_ON(port == 0);
memset(&(gid->raw[0]), 0, sizeof(gid->raw));
memcpy(&(gid->raw[0]), dev->rdev.lldi.ports[port-1]->dev_addr, 6);
return 0;
@@ -536,7 +537,6 @@ int c4iw_register_device(struct c4iw_dev *dev)
int i;
pr_debug("c4iw_dev %p\n", dev);
- BUG_ON(!dev->rdev.lldi.ports[0]);
strlcpy(dev->ibdev.name, "cxgb4_%d", IB_DEVICE_NAME_MAX);
memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
memcpy(&dev->ibdev.node_guid, dev->rdev.lldi.ports[0]->dev_addr, 6);