drivers/rpmsg/virtio_rpmsg_bus.c: fix error return code in rpmsg_probe()

Return a negative error code from the error handling case instead of 0, as
returned elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index a59684b5fc68..7861f1119b7d 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -951,8 +951,10 @@ static int rpmsg_probe(struct virtio_device *vdev)
         bufs_va = dma_alloc_coherent(vdev->dev.parent->parent,
                                 RPMSG_TOTAL_BUF_SPACE,
                                 &vrp->bufs_dma, GFP_KERNEL);
-        if (!bufs_va)
+        if (!bufs_va) {
+                err = -ENOMEM;
                 goto vqs_del;
+        }
 
         dev_dbg(&vdev->dev, "buffers: va %p, dma 0x%llx\n", bufs_va,
                                         (unsigned long long)vrp->bufs_dma);