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IB/ipath: Fix error path in QP creation

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This patch fixes the code which frees the partially allocated QP
resources if there was an error while creating the QP. In particular,
the QPN wasn't deallocated and the QP wasn't removed from the hash
table.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Ralph Campbell 2007-11-14 12:09:05 -08:00 committed by Roland Dreier
parent fb74dacb0f
commit 8a278e6d57
1 changed files with 9 additions and 6 deletions
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15
drivers/infiniband/hw/ipath/ipath_qp.c
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@ -835,7 +835,8 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
init_attr->qp_type);
if (err) {
ret = ERR_PTR(err);
goto bail_rwq;
vfree(qp->r_rq.wq);
goto bail_qp;
}
qp->ip = NULL;
ipath_reset_qp(qp);
@ -863,7 +864,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
sizeof(offset));
if (err) {
ret = ERR_PTR(err);
goto bail_rwq;
goto bail_ip;
}
} else {
u32 s = sizeof(struct ipath_rwq) +
@ -875,7 +876,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
qp->r_rq.wq);
if (!qp->ip) {
ret = ERR_PTR(-ENOMEM);
goto bail_rwq;
goto bail_ip;
}
err = ib_copy_to_udata(udata, &(qp->ip->offset),
@ -907,9 +908,11 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
goto bail;
bail_ip:
kfree(qp->ip);
bail_rwq:
vfree(qp->r_rq.wq);
if (qp->ip)
kref_put(&qp->ip->ref, ipath_release_mmap_info);
else
vfree(qp->r_rq.wq);
ipath_free_qp(&dev->qp_table, qp);
bail_qp:
kfree(qp);
bail_swq: