X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fsaleae-logic16%2Fapi.c;h=ff0af73532dbd09389bdd776ac1e03970e87b8ce;hb=f1ba6b4b2c9a8ecf90bb31efb218752aa7e49d1a;hp=a8d32cf896086403a9661e90a0076cb952c90301;hpb=c3cd66a00cdb4afbd43108563d979eebfbafaf69;p=libsigrok.git diff --git a/src/hardware/saleae-logic16/api.c b/src/hardware/saleae-logic16/api.c index a8d32cf8..ff0af735 100644 --- a/src/hardware/saleae-logic16/api.c +++ b/src/hardware/saleae-logic16/api.c @@ -235,17 +235,13 @@ static int logic16_dev_open(struct sr_dev_inst *sdi) struct sr_usb_dev_inst *usb; struct libusb_device_descriptor des; struct drv_context *drvc; - int ret, i, device_count; + int ret = SR_ERR, i, device_count; char connection_id[64]; di = sdi->driver; drvc = di->context; usb = sdi->conn; - if (sdi->status == SR_ST_ACTIVE) - /* Device is already in use. */ - return SR_ERR; - device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); if (device_count < 0) { sr_err("Failed to get device list: %s.", @@ -280,6 +276,7 @@ static int logic16_dev_open(struct sr_dev_inst *sdi) } else { sr_err("Failed to open device: %s.", libusb_error_name(ret)); + ret = SR_ERR; break; } @@ -287,13 +284,16 @@ static int logic16_dev_open(struct sr_dev_inst *sdi) if (ret == LIBUSB_ERROR_BUSY) { sr_err("Unable to claim USB interface. Another " "program or driver has already claimed it."); + ret = SR_ERR; break; } else if (ret == LIBUSB_ERROR_NO_DEVICE) { sr_err("Device has been disconnected."); + ret = SR_ERR; break; } else if (ret != 0) { sr_err("Unable to claim interface: %s.", libusb_error_name(ret)); + ret = SR_ERR; break; } @@ -302,15 +302,17 @@ static int logic16_dev_open(struct sr_dev_inst *sdi) break; } - sdi->status = SR_ST_ACTIVE; sr_info("Opened device on %d.%d (logical) / %s (physical), interface %d.", usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); + ret = SR_OK; + break; } + libusb_free_device_list(devlist, 1); - if (sdi->status != SR_ST_ACTIVE) { + if (ret != SR_OK) { if (usb->devhdl) { libusb_release_interface(usb->devhdl, USB_INTERFACE); libusb_close(usb->devhdl); @@ -377,15 +379,15 @@ static int dev_close(struct sr_dev_inst *sdi) struct sr_usb_dev_inst *usb; usb = sdi->conn; + if (!usb->devhdl) - return SR_ERR; + return SR_ERR_BUG; sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.", usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); libusb_release_interface(usb->devhdl, USB_INTERFACE); libusb_close(usb->devhdl); usb->devhdl = NULL; - sdi->status = SR_ST_INACTIVE; return SR_OK; }