octeontx2-af: print error message incase of invalid pf mapping

[linux-2.6-microblaze.git] / drivers / net / ethernet / marvell / octeontx2 / af / rvu_cgx.c

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 4e3aec7..f2b1edf 100644 (file)
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -236,6 +236,11 @@ static void cgx_notify_pfs(struct cgx_link_event *event, struct rvu *rvu)
 
        linfo = &event->link_uinfo;
        pfmap = cgxlmac_to_pfmap(rvu, event->cgx_id, event->lmac_id);
+       if (!pfmap) {
+               dev_err(rvu->dev, "CGX port%d:%d not mapped with PF\n",
+                       event->cgx_id, event->lmac_id);
+               return;
+       }
 
        do {
                pfid = find_first_bit(&pfmap,