diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-04-05 13:19:11 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-07 07:15:41 +0200 |
| commit | 698733fbdfcd2f2daaa992ca507a2dad7363c9a8 (patch) | |
| tree | ce79f626543b32aacf55bf7999894da1a01a0e25 /lib | |
| parent | drivers: remove force dma flag from buses (diff) | |
| download | linux-698733fbdfcd2f2daaa992ca507a2dad7363c9a8.tar.xz linux-698733fbdfcd2f2daaa992ca507a2dad7363c9a8.zip | |
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>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/swiotlb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 12fbaa445637..bd1e0c5ba1b8 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -727,7 +727,7 @@ swiotlb_alloc_buffer(struct device *dev, size_t size, dma_addr_t *dma_handle, out_unmap: dev_warn(dev, "hwdev DMA mask = 0x%016Lx, dev_addr = 0x%016Lx\n", - (unsigned long long)(dev ? dev->coherent_dma_mask : 0), + (unsigned long long)dev->coherent_dma_mask, (unsigned long long)*dma_handle); /* |