Commit 69940b88 authored by Vignesh Viswanathan's avatar Vignesh Viswanathan Committed by David S. Miller
Browse files

net: qrtr: Handle IPCR control port format of older targets 



The destination port value in the IPCR control buffer on older
targets is 0xFFFF. Handle the same by updating the dst_port to
QRTR_PORT_CTRL.

Signed-off-by: default avatarVignesh Viswanathan <quic_viswanat@quicinc.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f26b32ef

net/qrtr/af_qrtr.c

+5 −0
Original line number Diff line number Diff line
@@ -23,6 +23,8 @@ 
#define QRTR_EPH_PORT_RANGE \

		XA_LIMIT(QRTR_MIN_EPH_SOCKET, QRTR_MAX_EPH_SOCKET)



#define QRTR_PORT_CTRL_LEGACY 0xffff



/**

 * struct qrtr_hdr_v1 - (I|R)PCrouter packet header version 1

 * @version: protocol version
@@ -495,6 +497,9 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len) 
		goto err;

	}



	if (cb->dst_port == QRTR_PORT_CTRL_LEGACY)

		cb->dst_port = QRTR_PORT_CTRL;



	if (!size || len != ALIGN(size, 4) + hdrlen)

		goto err;