[ewg] [PATCH] IB/libipathverbs: fix memory leak in error path

[Ralph Campbell]

Vlad,

Please pull for OFED-1.4.1:

git://git.openfabrics.org/~ralphc/libipathverbs/.git ofed_1_4

commit 337df3c1cbe43c3e9cb58e7f6e91f44603dd23fb
Author: Patrick Latifi <patrick.latifi at qlogic.com>
Date:   Thu Mar 12 12:46:25 2009 -0700

    IB/libipathverbs: fix memory leak in error path
    
    If the CQ or QP is created but the queue cannot be mmapped, be sure
    to delete the allocated CQ or QP.
    
    Signed-off-by: Patrick Latifi <patrick.latifi at qlogic.com>

diff --git a/src/verbs.c b/src/verbs.c
index dcd8efb..b73b7f7 100644
--- a/src/verbs.c
+++ b/src/verbs.c
@@ -182,6 +182,7 @@ struct ibv_cq *ipath_create_cq(struct ibv_context *context, int cqe,
 	cq->queue = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,
 			 context->cmd_fd, resp.offset);
 	if ((void *) cq->queue == MAP_FAILED) {
+		ibv_cmd_destroy_cq(&cq->ibv_cq);
 		free(cq);
 		return NULL;
 	}
@@ -338,6 +339,7 @@ struct ibv_qp *ipath_create_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *attr)
 				  PROT_READ | PROT_WRITE, MAP_SHARED,
 				  pd->context->cmd_fd, resp.offset);
 		if ((void *) qp->rq.rwq == MAP_FAILED) {
+			ibv_cmd_destroy_qp(&qp->ibv_qp);
 			free(qp);
 			return NULL;
 		}
@@ -532,6 +534,7 @@ struct ibv_srq *ipath_create_srq(struct ibv_pd *pd,
 	srq->rq.rwq = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,
 			   pd->context->cmd_fd, resp.offset);
 	if ((void *) srq->rq.rwq == MAP_FAILED) {
+		ibv_cmd_destroy_srq(&srq->ibv_srq);
 		free(srq);
 		return NULL;
 	}