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| author |   Petr Tesarik <petr.tesarik.ext@huawei.com> | 2023-08-01 08:23:56 +0200 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2023-08-01 18:02:02 +0200 |
| commit | 0c6874a6ac0474b54c8d1ba33e243ec578ff815a (patch) | |
| tree | d3de8f2e381871d8b58bf7b56ac0bdb24b23cff3 /drivers/xen/swiotlb-xen.c | |
| parent | dma-contiguous: check for memory region overlap (diff) | |
| download | wireguard-linux-0c6874a6ac0474b54c8d1ba33e243ec578ff815a.tar.xz wireguard-linux-0c6874a6ac0474b54c8d1ba33e243ec578ff815a.zip | |
swiotlb: bail out of swiotlb_init_late() if swiotlb is already allocated
If swiotlb is allocated, immediately return 0, so callers do not have to
check io_tlb_default_mem.nslabs explicitly.
Signed-off-by: Petr Tesarik <petr.tesarik.ext@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
0 files changed, 0 insertions, 0 deletions