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path: root/drivers/net/mlx4/icm.c
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Diffstat (limited to 'drivers/net/mlx4/icm.c')
-rw-r--r--drivers/net/mlx4/icm.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/net/mlx4/icm.c b/drivers/net/mlx4/icm.c
index 57288ca..b07e4de 100644
--- a/drivers/net/mlx4/icm.c
+++ b/drivers/net/mlx4/icm.c
@@ -163,28 +163,30 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
ret = mlx4_alloc_icm_pages(&chunk->mem[chunk->npages],
cur_order, gfp_mask);
- if (!ret) {
- ++chunk->npages;
-
- if (coherent)
- ++chunk->nsg;
- else if (chunk->npages == MLX4_ICM_CHUNK_LEN) {
- chunk->nsg = pci_map_sg(dev->pdev, chunk->mem,
- chunk->npages,
- PCI_DMA_BIDIRECTIONAL);
+ if (ret) {
+ if (--cur_order < 0)
+ goto fail;
+ else
+ continue;
+ }
- if (chunk->nsg <= 0)
- goto fail;
+ ++chunk->npages;
- chunk = NULL;
- }
+ if (coherent)
+ ++chunk->nsg;
+ else if (chunk->npages == MLX4_ICM_CHUNK_LEN) {
+ chunk->nsg = pci_map_sg(dev->pdev, chunk->mem,
+ chunk->npages,
+ PCI_DMA_BIDIRECTIONAL);
- npages -= 1 << cur_order;
- } else {
- --cur_order;
- if (cur_order < 0)
+ if (chunk->nsg <= 0)
goto fail;
}
+
+ if (chunk->npages == MLX4_ICM_CHUNK_LEN)
+ chunk = NULL;
+
+ npages -= 1 << cur_order;
}
if (!coherent && chunk) {
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