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Diffstat (limited to 'drivers/block/null_blk_main.c')
-rw-r--r--drivers/block/null_blk_main.c56
1 files changed, 28 insertions, 28 deletions
diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index ae8d4bc532b0..16510795e377 100644
--- a/drivers/block/null_blk_main.c
+++ b/drivers/block/null_blk_main.c
@@ -263,34 +263,34 @@ static ssize_t nullb_device_bool_attr_store(bool *val, const char *page,
}
/* The following macro should only be used with TYPE = {uint, ulong, bool}. */
-#define NULLB_DEVICE_ATTR(NAME, TYPE, APPLY) \
-static ssize_t \
-nullb_device_##NAME##_show(struct config_item *item, char *page) \
-{ \
- return nullb_device_##TYPE##_attr_show( \
- to_nullb_device(item)->NAME, page); \
-} \
-static ssize_t \
-nullb_device_##NAME##_store(struct config_item *item, const char *page, \
- size_t count) \
-{ \
- int (*apply_fn)(struct nullb_device *dev, TYPE new_value) = APPLY; \
- struct nullb_device *dev = to_nullb_device(item); \
- TYPE new_value; \
- int ret; \
- \
- ret = nullb_device_##TYPE##_attr_store(&new_value, page, count); \
- if (ret < 0) \
- return ret; \
- if (apply_fn) \
- ret = apply_fn(dev, new_value); \
- else if (test_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags)) \
- ret = -EBUSY; \
- if (ret < 0) \
- return ret; \
- dev->NAME = new_value; \
- return count; \
-} \
+#define NULLB_DEVICE_ATTR(NAME, TYPE, APPLY) \
+static ssize_t \
+nullb_device_##NAME##_show(struct config_item *item, char *page) \
+{ \
+ return nullb_device_##TYPE##_attr_show( \
+ to_nullb_device(item)->NAME, page); \
+} \
+static ssize_t \
+nullb_device_##NAME##_store(struct config_item *item, const char *page, \
+ size_t count) \
+{ \
+ int (*apply_fn)(struct nullb_device *dev, TYPE new_value) = APPLY;\
+ struct nullb_device *dev = to_nullb_device(item); \
+ TYPE uninitialized_var(new_value); \
+ int ret; \
+ \
+ ret = nullb_device_##TYPE##_attr_store(&new_value, page, count);\
+ if (ret < 0) \
+ return ret; \
+ if (apply_fn) \
+ ret = apply_fn(dev, new_value); \
+ else if (test_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags)) \
+ ret = -EBUSY; \
+ if (ret < 0) \
+ return ret; \
+ dev->NAME = new_value; \
+ return count; \
+} \
CONFIGFS_ATTR(nullb_device_, NAME);
static int nullb_apply_submit_queues(struct nullb_device *dev,