X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fbrymen-bm86x%2Fapi.c;h=92baed540c4a292a678b40647afe8798c40aaf3a;hb=607dcdeae13d04fd5c6d41da46d9c29a04206a86;hp=834f11bb80cc140f4802771e7d8f156352875c23;hpb=41812aca436805b0614f2a8f31cf2f8ce494aea0;p=libsigrok.git

diff --git a/src/hardware/brymen-bm86x/api.c b/src/hardware/brymen-bm86x/api.c
index 834f11bb..92baed54 100644
--- a/src/hardware/brymen-bm86x/api.c
+++ b/src/hardware/brymen-bm86x/api.c
@@ -109,6 +109,8 @@ static int dev_open(struct sr_dev_inst *sdi)
 
 	if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
 		sdi->status = SR_ST_ACTIVE;
+	else
+		return SR_ERR;
 
 	/* Detach kernel drivers which grabbed this device (if any). */
 	if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) {
@@ -141,6 +143,9 @@ static int dev_close(struct sr_dev_inst *sdi)
 	struct dev_context *devc;
 	int ret;
 
+	if (sdi->status != SR_ST_ACTIVE)
+		return SR_ERR_DEV_CLOSED;
+
 	usb = sdi->conn;
 	devc = sdi->priv;