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Commit 6bdb6101 authored Mar 27, 2015 by Sudip Mukherjee Committed by Greg Kroah-Hartman Apr 03, 2015

staging: unisys: unregister chardev on error



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@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 61c507cf

drivers/staging/unisys/visorchipset/file.c

+3 −1

Original line number	Original line	Diff line number	Diff line
	@@ -65,8 +65,10 @@ visorchipset_file_init(dev_t major_dev, struct visorchannel **controlvm_channel)
	return -1;		return -1;
	}		}
	rc = cdev_add(&file_cdev, MKDEV(MAJOR(major_dev), 0), 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 -1;
			}
	return 0;		return 0;
	}		}