staging: zram: make global var "devices" use unique name

The global variable "devices" is too general to be global.
This patch switches the name to be "zram_devices".
Signed-off-by: Noah Watkins <noahwatkins@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/zram/zram_drv.c

@@ -37,7 +37,7 @@
 
 /* Globals */
 static int zram_major;
-struct zram *devices;
+struct zram *zram_devices;
 
 /* Module params (documentation at end) */
 unsigned int num_devices;
@@ -801,14 +801,14 @@ static int __init zram_init(void)
 
 	/* Allocate the device array and initialize each one */
 	pr_info("Creating %u devices ...\n", num_devices);
-	devices = kzalloc(num_devices * sizeof(struct zram), GFP_KERNEL);
-	if (!devices) {
+	zram_devices = kzalloc(num_devices * sizeof(struct zram), GFP_KERNEL);
+	if (!zram_devices) {
 		ret = -ENOMEM;
 		goto unregister;
 	}
 
 	for (dev_id = 0; dev_id < num_devices; dev_id++) {
-		ret = create_device(&devices[dev_id], dev_id);
+		ret = create_device(&zram_devices[dev_id], dev_id);
 		if (ret)
 			goto free_devices;
 	}
@@ -817,8 +817,8 @@ static int __init zram_init(void)
 
 free_devices:
 	while (dev_id)
-		destroy_device(&devices[--dev_id]);
-	kfree(devices);
+		destroy_device(&zram_devices[--dev_id]);
+	kfree(zram_devices);
 unregister:
 	unregister_blkdev(zram_major, "zram");
 out:
@@ -831,7 +831,7 @@ static void __exit zram_exit(void)
 	struct zram *zram;
 
 	for (i = 0; i < num_devices; i++) {
-		zram = &devices[i];
+		zram = &zram_devices[i];
 
 		destroy_device(zram);
 		if (zram->init_done)
@@ -840,7 +840,7 @@ static void __exit zram_exit(void)
 
 	unregister_blkdev(zram_major, "zram");
 
-	kfree(devices);
+	kfree(zram_devices);
 	pr_debug("Cleanup done!\n");
 }
 

drivers/staging/zram/zram_drv.h

@@ -123,7 +123,7 @@ struct zram {
 	struct zram_stats stats;
 };
 
-extern struct zram *devices;
+extern struct zram *zram_devices;
 extern unsigned int num_devices;
 #ifdef CONFIG_SYSFS
 extern struct attribute_group zram_disk_attr_group;

drivers/staging/zram/zram_sysfs.c

@@ -35,7 +35,7 @@ static struct zram *dev_to_zram(struct device *dev)
 	struct zram *zram = NULL;
 
 	for (i = 0; i < num_devices; i++) {
-		zram = &devices[i];
+		zram = &zram_devices[i];
 		if (disk_to_dev(zram->disk) == dev)
 			break;
 	}