hantek-dso: fix memory leak

[libsigrok.git] / src / hardware / brymen-bm86x / api.c

diff --git a/src/hardware/brymen-bm86x/api.c b/src/hardware/brymen-bm86x/api.c
index d7dccc0502470826cfa685a861814de6060d2a0d..92baed540c4a292a678b40647afe8798c40aaf3a 100644 (file)
--- a/src/hardware/brymen-bm86x/api.c
+++ b/src/hardware/brymen-bm86x/api.c
@@ -49,7 +49,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        struct sr_config *src;
        const char *conn;
 
-       drvc = di->priv;
+       drvc = di->context;
        drvc->instances = NULL;
 
        conn = BRYMEN_BC86X;
@@ -93,13 +93,13 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 
 static GSList *dev_list(const struct sr_dev_driver *di)
 {
-       return ((struct drv_context *)(di->priv))->instances;
+       return ((struct drv_context *)(di->context))->instances;
 }
 
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
-       struct drv_context *drvc = di->priv;
+       struct drv_context *drvc = di->context;
        struct sr_usb_dev_inst *usb;
        struct dev_context *devc;
        int ret;
@@ -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;
 
@@ -299,5 +304,5 @@ SR_PRIV struct sr_dev_driver brymen_bm86x_driver_info = {
        .dev_close = dev_close,
        .dev_acquisition_start = dev_acquisition_start,
        .dev_acquisition_stop = dev_acquisition_stop,
-       .priv = NULL,
+       .context = NULL,
 };