From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
dma_map_sg_attrs() returns 0 on error and can't return negative number
(ensured by BUG_ON), so don't check for being negative value.
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/core/umem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 54ab6335c48d..498f59bb4989 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -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;
}
--
2.14.4
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