diff options
Diffstat (limited to 'drivers/infiniband/core/ucma.c')
| -rw-r--r-- | drivers/infiniband/core/ucma.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index f86ece701db6..5d76879218ad 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1404,7 +1404,10 @@ static int ucma_set_ib_path(struct ucma_context *ctx, memset(&event, 0, sizeof event); event.event = RDMA_CM_EVENT_ROUTE_RESOLVED; - return ucma_event_handler(ctx->cm_id, &event); + rdma_lock_handler(ctx->cm_id); + ret = ucma_event_handler(ctx->cm_id, &event); + rdma_unlock_handler(ctx->cm_id); + return ret; } static int ucma_set_option_ib(struct ucma_context *ctx, int optname, @@ -1776,6 +1779,13 @@ static ssize_t ucma_write_cm_event(struct ucma_file *file, goto out; } + rdma_lock_handler(ctx->cm_id); + if (!ctx->uid) { + kfree(uevent); + ret = -EINVAL; + goto err_unlock; + } + uevent->ctx = ctx; uevent->resp.uid = ctx->uid; uevent->resp.id = ctx->id; @@ -1789,6 +1799,8 @@ static ssize_t ucma_write_cm_event(struct ucma_file *file, mutex_unlock(&ctx->file->mut); wake_up_interruptible(&ctx->file->poll_wait); +err_unlock: + rdma_unlock_handler(ctx->cm_id); out: ucma_put_ctx(ctx); return ret; |