[PATCH v2 1/3] UBI: block: Make ubiblock_resize return something

[Ezequiel Garcia]

Currently, ubiblock_resize() can fail if the device is not found
in the list. This commit changes the return type, so the function can
return something meaningful on error paths.

Reported-by: kbuild test robot <fengguang.wu at intel.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
---
 drivers/mtd/ubi/block.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 8d659e6..a8e4b77 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -496,7 +496,7 @@ int ubiblock_remove(struct ubi_volume_info *vi)
 	return 0;
 }
 
-static void ubiblock_resize(struct ubi_volume_info *vi)
+static int ubiblock_resize(struct ubi_volume_info *vi)
 {
 	struct ubiblock *dev;
 	int disk_capacity;
@@ -510,7 +510,7 @@ static void ubiblock_resize(struct ubi_volume_info *vi)
 	dev = find_dev_nolock(vi->ubi_num, vi->vol_id);
 	if (!dev) {
 		mutex_unlock(&devices_mutex);
-		return;
+		return -ENODEV;
 	}
 
 	mutex_lock(&dev->dev_mutex);
@@ -519,6 +519,7 @@ static void ubiblock_resize(struct ubi_volume_info *vi)
 	ubi_msg("%s resized to %d LEBs", dev->gd->disk_name, vi->size);
 	mutex_unlock(&dev->dev_mutex);
 	mutex_unlock(&devices_mutex);
+	return 0;
 }
 
 static int ubiblock_notify(struct notifier_block *nb,
-- 
1.9.1