From 41048b716132906fe54b6dbca48421a24f78affb Mon Sep 17 00:00:00 2001 From: Dr. David Alan Gilbert (git) Date: Fri, 11 Jul 2014 09:05:28 +0200 Subject: [PATCH 01/11] rdma: bug fixes Message-id: <1405069528-20466-2-git-send-email-dgilbert@redhat.com> Patchwork-id: 59778 O-Subject: [RHEL-7.1 qemu-kvm PATCH 1/1] rdma: bug fixes Bugzilla: 1107821 RH-Acked-by: Luiz Capitulino RH-Acked-by: Amit Shah RH-Acked-by: Laszlo Ersek From: "Michael R. Hines" 1. Fix small memory leak in parsing inet address from command line in data_init() 2. Fix ibv_post_send() return value check and pass error code back up correctly. 3. Fix rdma_destroy_qp() segfault after failure to connect to destination. Reported-by: frank.yangjie@gmail.com Reported-by: dgilbert@redhat.com Signed-off-by: Michael R. Hines Signed-off-by: Juan Quintela (cherry picked from commit e325b49a320b493cc5d69e263751ff716dc458fe) --- migration-rdma.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) Signed-off-by: Miroslav Rezanina --- migration-rdma.c | 20 ++++++++++---------- 1 files changed, 10 insertions(+), 10 deletions(-) diff --git a/migration-rdma.c b/migration-rdma.c index f79be20..ba4ad76 100644 --- a/migration-rdma.c +++ b/migration-rdma.c @@ -1589,13 +1589,11 @@ static int qemu_rdma_post_send_control(RDMAContext *rdma, uint8_t *buf, } - if (ibv_post_send(rdma->qp, &send_wr, &bad_wr)) { - return -1; - } + ret = ibv_post_send(rdma->qp, &send_wr, &bad_wr); - if (ret < 0) { + if (ret > 0) { fprintf(stderr, "Failed to use post IB SEND for control!\n"); - return ret; + return -ret; } ret = qemu_rdma_block_for_wrid(rdma, RDMA_WRID_SEND_CONTROL, NULL); @@ -2237,10 +2235,6 @@ static void qemu_rdma_cleanup(RDMAContext *rdma) } } - if (rdma->qp) { - rdma_destroy_qp(rdma->cm_id); - rdma->qp = NULL; - } if (rdma->cq) { ibv_destroy_cq(rdma->cq); rdma->cq = NULL; @@ -2258,6 +2252,10 @@ static void qemu_rdma_cleanup(RDMAContext *rdma) rdma->listen_id = NULL; } if (rdma->cm_id) { + if (rdma->qp) { + rdma_destroy_qp(rdma->cm_id); + rdma->qp = NULL; + } rdma_destroy_id(rdma->cm_id); rdma->cm_id = NULL; } @@ -2512,8 +2510,10 @@ static void *qemu_rdma_data_init(const char *host_port, Error **errp) } else { ERROR(errp, "bad RDMA migration address '%s'", host_port); g_free(rdma); - return NULL; + rdma = NULL; } + + qapi_free_InetSocketAddress(addr); } return rdma; -- 1.7.1