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path: root/drivers/infiniband/hw/cxgb4/mem.c
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Diffstat (limited to 'drivers/infiniband/hw/cxgb4/mem.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/mem.c32
1 files changed, 11 insertions, 21 deletions
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 22c8f5745047..42234df896fb 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -611,30 +611,23 @@ err_free_mhp:
return ERR_PTR(err);
}
-struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
- struct ib_udata *udata)
+int c4iw_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata)
{
+ struct c4iw_mw *mhp = to_c4iw_mw(ibmw);
struct c4iw_dev *rhp;
struct c4iw_pd *php;
- struct c4iw_mw *mhp;
u32 mmid;
u32 stag = 0;
int ret;
- if (type != IB_MW_TYPE_1)
- return ERR_PTR(-EINVAL);
+ if (ibmw->type != IB_MW_TYPE_1)
+ return -EINVAL;
- php = to_c4iw_pd(pd);
+ php = to_c4iw_pd(ibmw->pd);
rhp = php->rhp;
- mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
- if (!mhp)
- return ERR_PTR(-ENOMEM);
-
mhp->wr_waitp = c4iw_alloc_wr_wait(GFP_KERNEL);
- if (!mhp->wr_waitp) {
- ret = -ENOMEM;
- goto free_mhp;
- }
+ if (!mhp->wr_waitp)
+ return -ENOMEM;
mhp->dereg_skb = alloc_skb(SGE_MAX_WR_LEN, GFP_KERNEL);
if (!mhp->dereg_skb) {
@@ -645,18 +638,19 @@ struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
ret = allocate_window(&rhp->rdev, &stag, php->pdid, mhp->wr_waitp);
if (ret)
goto free_skb;
+
mhp->rhp = rhp;
mhp->attr.pdid = php->pdid;
mhp->attr.type = FW_RI_STAG_MW;
mhp->attr.stag = stag;
mmid = (stag) >> 8;
- mhp->ibmw.rkey = stag;
+ ibmw->rkey = stag;
if (xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL)) {
ret = -ENOMEM;
goto dealloc_win;
}
pr_debug("mmid 0x%x mhp %p stag 0x%x\n", mmid, mhp, stag);
- return &(mhp->ibmw);
+ return 0;
dealloc_win:
deallocate_window(&rhp->rdev, mhp->attr.stag, mhp->dereg_skb,
@@ -665,9 +659,7 @@ free_skb:
kfree_skb(mhp->dereg_skb);
free_wr_wait:
c4iw_put_wr_wait(mhp->wr_waitp);
-free_mhp:
- kfree(mhp);
- return ERR_PTR(ret);
+ return ret;
}
int c4iw_dealloc_mw(struct ib_mw *mw)
@@ -684,8 +676,6 @@ int c4iw_dealloc_mw(struct ib_mw *mw)
mhp->wr_waitp);
kfree_skb(mhp->dereg_skb);
c4iw_put_wr_wait(mhp->wr_waitp);
- pr_debug("ib_mw %p mmid 0x%x ptr %p\n", mw, mmid, mhp);
- kfree(mhp);
return 0;
}