dma-mapping: remove an unnecessary NULL check
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 24 Apr 2019 14:24:37 +0000 (17:24 +0300)
committerChristoph Hellwig <hch@lst.de>
Wed, 24 Apr 2019 14:28:13 +0000 (16:28 +0200)
commit148a97d5a02a62f81b5d6176f871c94a65e1f3af
treeff277737564f9c4331054c98d70055d9b0f8473a
parente43e2657fe77a37b13643e2469670ecdb0ba5e10
dma-mapping: remove an unnecessary NULL check

We already dereferenced "dev" when we called get_dma_ops() so this NULL
check is too late.  We're not supposed to pass NULL "dev" pointers to
dma_alloc_attrs().

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