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authorStefan Hajnoczi <stefanha@redhat.com>2018-04-17 14:25:58 +0800
committerDavid S. Miller <davem@davemloft.net>2018-04-17 09:44:30 -0400
commit05e489b1596f0aa1025a1fa572676631cd9665da (patch)
tree20855a057bab049eaefaf19916d4ebf38ba288f8 /net/qrtr
parent5968a70d7af5f2abbd9d9f9c8e86da51f0a6b16d (diff)
VSOCK: make af_vsock.ko removable again
Commit c1eef220c1760762753b602c382127bfccee226d ("vsock: always call vsock_init_tables()") introduced a module_init() function without a corresponding module_exit() function. Modules with an init function can only be removed if they also have an exit function. Therefore the vsock module was considered "permanent" and could not be removed. This patch adds an empty module_exit() function so that "rmmod vsock" works. No explicit cleanup is required because: 1. Transports call vsock_core_exit() upon exit and cannot be removed while sockets are still alive. 2. vsock_diag.ko does not perform any action that requires cleanup by vsock.ko. Fixes: c1eef220c176 ("vsock: always call vsock_init_tables()") Reported-by: Xiumei Mu <xmu@redhat.com> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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