From: Wei Yongjun Date: Fri, 28 Oct 2016 16:33:47 +0000 (+0000) Subject: qedr: Fix possible memory leak in qedr_create_qp() X-Git-Tag: v4.14-rc1~1791^2~16^3~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=181d80151f9c6ff3c765c1bd2e4e200ada23c2f3;p=platform%2Fkernel%2Flinux-rpi3.git qedr: Fix possible memory leak in qedr_create_qp() 'qp' is malloced in qedr_create_qp() and should be freed before leaving from the error handling cases, otherwise it will cause memory leak. Signed-off-by: Wei Yongjun Acked-by: Ram Amrani Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index b2a0eb8..8c6c5cc 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -1479,6 +1479,7 @@ struct ib_qp *qedr_create_qp(struct ib_pd *ibpd, struct qedr_ucontext *ctx = NULL; struct qedr_create_qp_ureq ureq; struct qedr_qp *qp; + struct ib_qp *ibqp; int rc = 0; DP_DEBUG(dev, QEDR_MSG_QP, "create qp: called from %s, pd=%p\n", @@ -1488,13 +1489,13 @@ struct ib_qp *qedr_create_qp(struct ib_pd *ibpd, if (rc) return ERR_PTR(rc); + if (attrs->srq) + return ERR_PTR(-EINVAL); + qp = kzalloc(sizeof(*qp), GFP_KERNEL); if (!qp) return ERR_PTR(-ENOMEM); - if (attrs->srq) - return ERR_PTR(-EINVAL); - DP_DEBUG(dev, QEDR_MSG_QP, "create qp: sq_cq=%p, sq_icid=%d, rq_cq=%p, rq_icid=%d\n", get_qedr_cq(attrs->send_cq), @@ -1510,7 +1511,10 @@ struct ib_qp *qedr_create_qp(struct ib_pd *ibpd, "create qp: unexpected udata when creating GSI QP\n"); goto err0; } - return qedr_create_gsi_qp(dev, attrs, qp); + ibqp = qedr_create_gsi_qp(dev, attrs, qp); + if (IS_ERR(ibqp)) + kfree(qp); + return ibqp; } memset(&in_params, 0, sizeof(in_params));