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This patch is used to fix a memory leak issue in s390/char/vmur.c. A character device instance is allocated by cdev_alloc, the cdev_del will not free that space if cdev_init is applied before. Signed-off-by: Dennis Chen <dennis1.chen@amd.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>