X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_ef10_tx.c;h=ff6d5b486dd2bd8130d60fb1f26a7aeec6efc0bf;hb=e2bea7436061ca2e7e14bfcfdc5870f2555c3965;hp=bcd3153ff3e15335789b75cf775107c5d9c6096e;hpb=a4f0fa29488e582ab8b5ef9db475b3d26ded690c;p=deb_dpdk.git

diff --git a/drivers/net/sfc/sfc_ef10_tx.c b/drivers/net/sfc/sfc_ef10_tx.c
index bcd3153f..ff6d5b48 100644
--- a/drivers/net/sfc/sfc_ef10_tx.c
+++ b/drivers/net/sfc/sfc_ef10_tx.c
@@ -381,6 +381,9 @@ sfc_ef10_xmit_tso_pkt(struct sfc_ef10_txq * const txq, struct rte_mbuf *m_seg,
 		hdr_addr = rte_pktmbuf_mtod(m_seg, uint8_t *);
 		hdr_iova = rte_mbuf_data_iova(m_seg);
 		if (rte_pktmbuf_data_len(m_seg) == header_len) {
+			/* Cannot send a packet that consists only of header */
+			if (unlikely(m_seg->next == NULL))
+				return EMSGSIZE;
 			/*
 			 * Associate header mbuf with header descriptor
 			 * which is located after TSO descriptors.
@@ -409,6 +412,10 @@ sfc_ef10_xmit_tso_pkt(struct sfc_ef10_txq * const txq, struct rte_mbuf *m_seg,
 		copied_segs = sfc_tso_prepare_header(hdr_addr, header_len,
 						     &m_seg, &in_off);
 
+		/* Cannot send a packet that consists only of header */
+		if (unlikely(m_seg == NULL))
+			return EMSGSIZE;
+
 		m_seg_to_free_up_to = m_seg;
 		/*
 		 * Reduce the number of needed descriptors by the number of