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authorDave Airlie <airlied@redhat.com>2018-11-29 10:34:03 +1000
committerDave Airlie <airlied@redhat.com>2018-11-29 10:34:03 +1000
commit1ec28f8b8ada4e4f77d1af006a3a474f4f83b8e3 (patch)
tree2e810e02a66cdec0bc82a8555796b7083ad03416 /drivers/net/ethernet/cavium/thunder/nicvf_main.c
parentMerge tag 'drm-misc-next-2018-11-28' of git://anongit.freedesktop.org/drm/drm-misc into drm-next (diff)
parentLinux 4.20-rc4 (diff)
downloadlinux-dev-1ec28f8b8ada4e4f77d1af006a3a474f4f83b8e3.tar.xz
linux-dev-1ec28f8b8ada4e4f77d1af006a3a474f4f83b8e3.zip
Merge v4.20-rc4 into drm-next
Requested by Boris Brezillon for some vc4 fixes that are needed for future vc4 work. Signed-off-by: Dave Airlie <airlied@redhat.com>
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)