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MFC r314131:
authornp <np@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 24 May 2017 19:19:02 +0000 (19:19 +0000)
committernp <np@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 24 May 2017 19:19:02 +0000 (19:19 +0000)
commit9ffa8c105f2746a60f76dbcbe2eb82d3e5a484c9
tree0b35c7e5a6b683ab733fc1b58579c4e079b956af
parent038a1ce9633c3f5f0c3e088b56bc7b568e6fbd23
MFC r314131:

Avoid NULL dereference in a couple of sysctl handlers in ibcore.
iw_cxgbe sets ib_device->dma_device to NULL (since r311880).

Sponsored by: Chelsio Communications

git-svn-id: svn://svn.freebsd.org/base/stable/10@318802 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/ofed/drivers/infiniband/core/uverbs_main.c