[PATCH v2 1/3] staging: unisys: unregister chardev on error

[Sudip Mukherjee]

after registering the major numbers if the cdev_add fails then we were
not releasing the major numbers. now we are doing that.

Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
---

v2: removed extra space

 drivers/staging/unisys/visorchipset/file.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/unisys/visorchipset/file.c b/drivers/staging/unisys/visorchipset/file.c
index 39b19af..074c285 100644
--- a/drivers/staging/unisys/visorchipset/file.c
+++ b/drivers/staging/unisys/visorchipset/file.c
@@ -65,8 +65,10 @@ visorchipset_file_init(dev_t major_dev, struct visorchannel **controlvm_channel)
 			return -1;
 	}
 	rc = cdev_add(&file_cdev, MKDEV(MAJOR(major_dev), 0), 1);
-	if (rc  < 0)
+	if (rc < 0) {
+		unregister_chrdev_region(major_dev, 1);
 		return -1;
+	}
 	return 0;
 }
 
-- 
1.8.1.2

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