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path: root/drivers/infiniband/hw/mthca/mthca_mr.c
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Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_mr.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mr.c37
1 files changed, 5 insertions, 32 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index 44045c8..ed9a989 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -146,7 +146,7 @@ static int mthca_buddy_init(struct mthca_buddy *buddy, int max_order)
buddy->bits = kzalloc((buddy->max_order + 1) * sizeof (long *),
GFP_KERNEL);
- buddy->num_free = kzalloc((buddy->max_order + 1) * sizeof (int *),
+ buddy->num_free = kcalloc((buddy->max_order + 1), sizeof *buddy->num_free,
GFP_KERNEL);
if (!buddy->bits || !buddy->num_free)
goto err_out;
@@ -257,7 +257,6 @@ static int __mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
struct mthca_mailbox *mailbox;
__be64 *mtt_entry;
int err = 0;
- u8 status;
int i;
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
@@ -281,17 +280,11 @@ static int __mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
if (i & 1)
mtt_entry[i + 2] = 0;
- err = mthca_WRITE_MTT(dev, mailbox, (i + 1) & ~1, &status);
+ err = mthca_WRITE_MTT(dev, mailbox, (i + 1) & ~1);
if (err) {
mthca_warn(dev, "WRITE_MTT failed (%d)\n", err);
goto out;
}
- if (status) {
- mthca_warn(dev, "WRITE_MTT returned status 0x%02x\n",
- status);
- err = -EINVAL;
- goto out;
- }
list_len -= i;
start_index += i;
@@ -441,7 +434,6 @@ int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
u32 key;
int i;
int err;
- u8 status;
WARN_ON(buffer_size_shift >= 32);
@@ -497,16 +489,10 @@ int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
}
err = mthca_SW2HW_MPT(dev, mailbox,
- key & (dev->limits.num_mpts - 1),
- &status);
+ key & (dev->limits.num_mpts - 1));
if (err) {
mthca_warn(dev, "SW2HW_MPT failed (%d)\n", err);
goto err_out_mailbox;
- } else if (status) {
- mthca_warn(dev, "SW2HW_MPT returned status 0x%02x\n",
- status);
- err = -EINVAL;
- goto err_out_mailbox;
}
mthca_free_mailbox(dev, mailbox);
@@ -567,17 +553,12 @@ static void mthca_free_region(struct mthca_dev *dev, u32 lkey)
void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr)
{
int err;
- u8 status;
err = mthca_HW2SW_MPT(dev, NULL,
key_to_hw_index(dev, mr->ibmr.lkey) &
- (dev->limits.num_mpts - 1),
- &status);
+ (dev->limits.num_mpts - 1));
if (err)
mthca_warn(dev, "HW2SW_MPT failed (%d)\n", err);
- else if (status)
- mthca_warn(dev, "HW2SW_MPT returned status 0x%02x\n",
- status);
mthca_free_region(dev, mr->ibmr.lkey);
mthca_free_mtt(dev, mr->mtt);
@@ -590,7 +571,6 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
struct mthca_mailbox *mailbox;
u64 mtt_seg;
u32 key, idx;
- u8 status;
int list_len = mr->attr.max_pages;
int err = -ENOMEM;
int i;
@@ -672,18 +652,11 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
}
err = mthca_SW2HW_MPT(dev, mailbox,
- key & (dev->limits.num_mpts - 1),
- &status);
+ key & (dev->limits.num_mpts - 1));
if (err) {
mthca_warn(dev, "SW2HW_MPT failed (%d)\n", err);
goto err_out_mailbox_free;
}
- if (status) {
- mthca_warn(dev, "SW2HW_MPT returned status 0x%02x\n",
- status);
- err = -EINVAL;
- goto err_out_mailbox_free;
- }
mthca_free_mailbox(dev, mailbox);
return 0;