X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fsiena_mcdi.c;h=d727c18771228467fb71075f681de279352dfd49;hb=0b5bedc23ed211a8bee6f92f902981da68315ec4;hp=ef8445915993e167085700632fdc6c629e19ed64;hpb=b0d31b51385493d2bbd1f42e51ae868665b9010c;p=dpdk.git

diff --git a/drivers/net/sfc/base/siena_mcdi.c b/drivers/net/sfc/base/siena_mcdi.c
index ef84459159..d727c18771 100644
--- a/drivers/net/sfc/base/siena_mcdi.c
+++ b/drivers/net/sfc/base/siena_mcdi.c
@@ -124,17 +124,21 @@ siena_mcdi_read_response(
 {
 	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
 	unsigned int pdur;
-	unsigned int pos;
+	unsigned int pos = 0;
 	efx_dword_t data;
+	size_t remaining = length;
 
 	EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2);
 	pdur = SIENA_MCDI_PDU(emip);
 
-	for (pos = 0; pos < length; pos += sizeof (efx_dword_t)) {
+	while (remaining > 0) {
+		size_t chunk = MIN(remaining, sizeof (data));
+
 		EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM,
 		    pdur + ((offset + pos) >> 2), &data, B_FALSE);
-		memcpy((uint8_t *)bufferp + pos, &data,
-		    MIN(sizeof (data), length - pos));
+		memcpy((uint8_t *)bufferp + pos, &data, chunk);
+		pos += chunk;
+		remaining -= chunk;
 	}
 }