USB: gadget: f_mass_storage: use ?: instead of a macro

This commit removes an "OR" macro defined in Mass Storage
Function in favour of a two argument version of "?:" operator
(which is a GCC extension).
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/gadget/f_mass_storage.c

@@ -2822,14 +2822,12 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 			i = 0x0399;
 		}
 	}
-#define OR(x, y) ((x) ? (x) : (y))
 	snprintf(common->inquiry_string, sizeof common->inquiry_string,
-		 "%-8s%-16s%04x",
-		 OR(cfg->vendor_name, "Linux   "),
+		 "%-8s%-16s%04x", cfg->vendor_name ?: "Linux",
 		 /* Assume product name dependent on the first LUN */
-		 OR(cfg->product_name, common->luns->cdrom
+		 cfg->product_name ?: (common->luns->cdrom
 				     ? "File-Stor Gadget"
-				     : "File-CD Gadget  "),
+				     : "File-CD Gadget"),
 		 i);
 
 
@@ -2848,14 +2846,13 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 	/* Tell the thread to start working */
 	common->thread_task =
 		kthread_create(fsg_main_thread, common,
-			       OR(cfg->thread_name, "file-storage"));
+			       cfg->thread_name ?: "file-storage");
 	if (IS_ERR(common->thread_task)) {
 		rc = PTR_ERR(common->thread_task);
 		goto error_release;
 	}
 	init_completion(&common->thread_notifier);
 	init_waitqueue_head(&common->fsg_wait);
-#undef OR
 
 
 	/* Information */