Commit f5b942e6 authored by Dipendra Khadka's avatar Dipendra Khadka Committed by Andrew Lunn
Browse files

octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_dmac_flt.c 



Add error pointer checks after calling otx2_mbox_get_rsp().

Fixes: 79d2be38 ("octeontx2-pf: offload DMAC filters to CGX/RPM block")
Fixes: fa5e0ccb ("octeontx2-pf: Add support for exact match table.")
Signed-off-by: default avatarDipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
parent ac918302

drivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.c

+9 −0
Original line number Diff line number Diff line
@@ -28,6 +28,11 @@ static int otx2_dmacflt_do_add(struct otx2_nic *pf, const u8 *mac, 
	if (!err) {

		rsp = (struct cgx_mac_addr_add_rsp *)

			 otx2_mbox_get_rsp(&pf->mbox.mbox, 0, &req->hdr);

		if (IS_ERR(rsp)) {

			mutex_unlock(&pf->mbox.lock);

			return PTR_ERR(rsp);

		}



		*dmac_index = rsp->index;

	}
@@ -200,6 +205,10 @@ int otx2_dmacflt_update(struct otx2_nic *pf, u8 *mac, u32 bit_pos) 


	rsp = (struct cgx_mac_addr_update_rsp *)

		otx2_mbox_get_rsp(&pf->mbox.mbox, 0, &req->hdr);

	if (IS_ERR(rsp)) {

		rc = PTR_ERR(rsp);

		goto out;

	}



	pf->flow_cfg->bmap_to_dmacindex[bit_pos] = rsp->index;