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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-11-26 07:50:56 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-11-26 07:50:56 +0100
commit986fb2e0532b1b0fa1e8312fbc38b9e7ed826547 (patch)
treee571ff6c8cd4bedfd49181125f0bd2993546ed24 /drivers/net/ethernet/cavium/thunder/nicvf_main.c
parent24438e46268c721e14c5c888386af85c9e1c5db1 (diff)
parent2e6e902d185027f8e3cb8b7305238f7e35d6a436 (diff)
downloadlinux-986fb2e0532b1b0fa1e8312fbc38b9e7ed826547.tar.gz
Merge 4.20-rc4 into char-misc-next
We want the char/misc fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/cavium/thunder/nicvf_main.c')
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_main.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index 768f584f8392..88f8a8fa93cd 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -1784,6 +1784,7 @@ static int nicvf_xdp_setup(struct nicvf *nic, struct bpf_prog *prog)
 	bool if_up = netif_running(nic->netdev);
 	struct bpf_prog *old_prog;
 	bool bpf_attached = false;
+	int ret = 0;
 
 	/* For now just support only the usual MTU sized frames */
 	if (prog && (dev->mtu > 1500)) {
@@ -1817,8 +1818,12 @@ static int nicvf_xdp_setup(struct nicvf *nic, struct bpf_prog *prog)
 	if (nic->xdp_prog) {
 		/* Attach BPF program */
 		nic->xdp_prog = bpf_prog_add(nic->xdp_prog, nic->rx_queues - 1);
-		if (!IS_ERR(nic->xdp_prog))
+		if (!IS_ERR(nic->xdp_prog)) {
 			bpf_attached = true;
+		} else {
+			ret = PTR_ERR(nic->xdp_prog);
+			nic->xdp_prog = NULL;
+		}
 	}
 
 	/* Calculate Tx queues needed for XDP and network stack */
@@ -1830,7 +1835,7 @@ static int nicvf_xdp_setup(struct nicvf *nic, struct bpf_prog *prog)
 		netif_trans_update(nic->netdev);
 	}
 
-	return 0;
+	return ret;
 }
 
 static int nicvf_xdp(struct net_device *netdev, struct netdev_bpf *xdp)