summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/hfi1/sdma.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/hfi1/sdma.c')
-rw-r--r--drivers/infiniband/hw/hfi1/sdma.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
index 2395fd4233a7..5774dfc22e18 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -65,6 +65,7 @@
#define SDMA_DESCQ_CNT 2048
#define SDMA_DESC_INTR 64
#define INVALID_TAIL 0xffff
+#define SDMA_PAD max_t(size_t, MAX_16B_PADDING, sizeof(u32))
static uint sdma_descq_cnt = SDMA_DESCQ_CNT;
module_param(sdma_descq_cnt, uint, S_IRUGO);
@@ -880,8 +881,8 @@ struct sdma_engine *sdma_select_user_engine(struct hfi1_devdata *dd,
cpu_id = smp_processor_id();
rcu_read_lock();
- rht_node = rhashtable_lookup_fast(dd->sdma_rht, &cpu_id,
- sdma_rht_params);
+ rht_node = rhashtable_lookup(dd->sdma_rht, &cpu_id,
+ sdma_rht_params);
if (rht_node && rht_node->map[vl]) {
struct sdma_rht_map_elem *map = rht_node->map[vl];
@@ -1296,7 +1297,7 @@ void sdma_clean(struct hfi1_devdata *dd, size_t num_engines)
struct sdma_engine *sde;
if (dd->sdma_pad_dma) {
- dma_free_coherent(&dd->pcidev->dev, 4,
+ dma_free_coherent(&dd->pcidev->dev, SDMA_PAD,
(void *)dd->sdma_pad_dma,
dd->sdma_pad_phys);
dd->sdma_pad_dma = NULL;
@@ -1491,7 +1492,7 @@ int sdma_init(struct hfi1_devdata *dd, u8 port)
}
/* Allocate memory for pad */
- dd->sdma_pad_dma = dma_alloc_coherent(&dd->pcidev->dev, sizeof(u32),
+ dd->sdma_pad_dma = dma_alloc_coherent(&dd->pcidev->dev, SDMA_PAD,
&dd->sdma_pad_phys, GFP_KERNEL);
if (!dd->sdma_pad_dma) {
dd_dev_err(dd, "failed to allocate SendDMA pad memory\n");
@@ -1526,8 +1527,11 @@ int sdma_init(struct hfi1_devdata *dd, u8 port)
}
ret = rhashtable_init(tmp_sdma_rht, &sdma_rht_params);
- if (ret < 0)
+ if (ret < 0) {
+ kfree(tmp_sdma_rht);
goto bail;
+ }
+
dd->sdma_rht = tmp_sdma_rht;
dd_dev_info(dd, "SDMA num_sdma: %u\n", dd->num_sdma);