X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fcommon%2Fscpi_vxi.c;h=0377d52bb291759ecd73ce97c5dbc1db38ac0002;hb=c1bcb8cc633cc69ce4a872f59ec2b686bc00bd04;hp=4d713dceb9446f9fe6ff0dd4669d88072e645ab8;hpb=f754c1469188a5e1a82c98532cb21b334530a91a;p=libsigrok.git

diff --git a/hardware/common/scpi_vxi.c b/hardware/common/scpi_vxi.c
index 4d713dce..0377d52b 100644
--- a/hardware/common/scpi_vxi.c
+++ b/hardware/common/scpi_vxi.c
@@ -196,12 +196,16 @@ static int scpi_vxi_close(void *priv)
 	struct scpi_vxi *vxi = priv;
 	Device_Error *dev_error;
 
+	if (!vxi->client)
+		return SR_ERR;
+
 	if (!(dev_error = destroy_link_1(&vxi->link, vxi->client))) {
 		sr_err("Link destruction failed for %s", vxi->address);
 		return SR_ERR;
 	}
 
 	clnt_destroy(vxi->client);
+	vxi->client = NULL;
 
 	return SR_OK;
 }