Shorten/simplify hw_dev_list() implementations.

[libsigrok.git] / hardware / nexus-osciprime / api.c

diff --git a/hardware/nexus-osciprime/api.c b/hardware/nexus-osciprime/api.c
index c35e2cfb9b84c7c6b99a44daa24572d9207ff87e..af90b753e471439ab0172037f12597bae0ebff40 100644 (file)
--- a/hardware/nexus-osciprime/api.c
+++ b/hardware/nexus-osciprime/api.c
@@ -139,17 +139,7 @@ static int clear_instances(void)
 
 static int hw_init(struct sr_context *sr_ctx)
 {
-       struct drv_context *drvc;
-
-       if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-               sr_err("Driver context malloc failed.");
-               return SR_ERR_MALLOC;
-       }
-
-       drvc->sr_ctx = sr_ctx;
-       di->priv = drvc;
-
-       return SR_OK;
+       return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static GSList *hw_scan(GSList *options)
@@ -167,10 +157,7 @@ static GSList *hw_scan(GSList *options)
 
        (void)options;
 
-       if (!(drvc = di->priv)) {
-               sr_err("Driver was not initialized.");
-               return NULL;
-       }
+       drvc = di->priv;
 
        /* USB scan is always authoritative. */
        clear_instances();
@@ -231,11 +218,7 @@ static GSList *hw_scan(GSList *options)
 
 static GSList *hw_dev_list(void)
 {
-       struct drv_context *drvc;
-
-       drvc = di->priv;
-
-       return drvc->instances;
+       return ((struct drv_context *)(di->priv))->instances;
 }
 
 static int hw_dev_open(struct sr_dev_inst *sdi)