caif_virtio: fix error return code in cfv_create_genpool()

Fix to 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>
Acked-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/caif/caif_virtio.c b/drivers/net/caif/caif_virtio.c
index 316b184ea130..0e3bede8b8a8 100644
--- a/drivers/net/caif/caif_virtio.c
+++ b/drivers/net/caif/caif_virtio.c
@@ -424,8 +424,10 @@ static int cfv_create_genpool(struct cfv_info *cfv)
         cfv->reserved_size = num_possible_cpus() * cfv->ndev->mtu;
         cfv->reserved_mem = gen_pool_alloc(cfv->genpool,
                                            cfv->reserved_size);
-        if (!cfv->reserved_mem)
+        if (!cfv->reserved_mem) {
+                err = -ENOMEM;
                 goto err;
+        }
 
         cfv->watermark_tx = virtqueue_get_vring_size(cfv->vq_tx);
         return 0;