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swiotlb: remove an unecessary NULL check
authorDan Carpenter <dan.carpenter@oracle.com>
Thu, 5 Apr 2018 11:19:11 +0000 (14:19 +0300)
committerChristoph Hellwig <hch@lst.de>
Mon, 7 May 2018 05:15:41 +0000 (07:15 +0200)
commit698733fbdfcd2f2daaa992ca507a2dad7363c9a8
treece79f626543b32aacf55bf7999894da1a01a0e25
parent3d6ce86ee79465e1b1b6e287f8ea26b553fc768e
swiotlb: remove an unecessary NULL check

Smatch complains here:

    lib/swiotlb.c:730 swiotlb_alloc_buffer()
    warn: variable dereferenced before check 'dev' (see line 716)

"dev" isn't ever NULL in this function so we can just remove the check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
lib/swiotlb.c