Merge branch 'for-74/coverity-fixes' into pending

Fix a small handful of issues reported by scan.coverity.com for the
recent region management additions.

cxl/filter.c

@@ -796,7 +796,7 @@ static void walk_decoders(struct cxl_port *port, struct cxl_filter_params *p,
 	cxl_decoder_foreach(port, decoder) {
 		const char *devname = cxl_decoder_get_devname(decoder);
 		struct json_object *jchildregions = NULL;
-		struct json_object *jdecoder;
+		struct json_object *jdecoder = NULL;
 
 		if (!p->decoders)
 			goto walk_children;

cxl/lib/libcxl.c

@@ -482,7 +482,7 @@ static void *add_cxl_region(void *parent, int id, const char *cxlregion_base)
 
 	region = calloc(1, sizeof(*region));
 	if (!region)
-		goto err;
+		goto err_path;
 
 	region->id = id;
 	region->ctx = ctx;
@@ -551,11 +551,13 @@ static void *add_cxl_region(void *parent, int id, const char *cxlregion_base)
 
 	list_add_sorted(&decoder->regions, region, list, region_start_cmp);
 
+	free(path);
 	return region;
 err:
 	free(region->dev_path);
 	free(region->dev_buf);
 	free(region);
+err_path:
 	free(path);
 	return NULL;
 }

cxl/region.c

@@ -686,9 +686,8 @@ static int region_action(int argc, const char **argv, struct cxl_ctx *ctx,
 			continue;
 
 		cxl_decoder_foreach (port, decoder) {
-			decoder = util_cxl_decoder_filter(decoder,
-							  param.root_decoder);
-			if (!decoder)
+			if (!util_cxl_decoder_filter(decoder,
+						     param.root_decoder))
 				continue;
 			rc = decoder_region_action(p, decoder, action, count);
 			if (rc)