GangCao 66af6221a0 bdev: check whether memory allocated already
In the case of bdev initialization, the memory could
not be allocated. When cleaning up, it needs to check
whether the memory pointer is valid or not before
touching the address of the pointer.

This is to fix below issue:
https://github.com/spdk/spdk/issues/1126

Change-Id: Iec0e2c5a40ad153a96fb939414a15ac3b9112a01
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/478849
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: <box.b.chen@intel.com>
Reviewed-by: yidong0635 <dongx.yi@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-12-30 11:49:54 +00:00
..
2019-09-24 16:39:27 +00:00
2018-10-02 23:13:32 +00:00