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RDMA/umem: Don't check for a negative return value of dma_map_sg_attrs()

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dma_map_sg_attrs() returns 0 on error and can't return a negative number
(ensured by BUG_ON), so don't check.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky 2018-06-24 11:23:48 +03:00 committed by Jason Gunthorpe
parent a5cc9831af
commit 3a2e791c94
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/core/umem.c
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@ -206,7 +206,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
DMA_BIDIRECTIONAL,
dma_attrs);
if (umem->nmap <= 0) {
if (!umem->nmap) {
ret = -ENOMEM;
goto out;
}