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| /openbmc/linux/net/vmw_vsock/ |
| H A D | af_vsock.c | 05e489b1 Tue Apr 17 01:25:58 CDT 2018 Stefan Hajnoczi <stefanha@redhat.com> 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>
05e489b1 Tue Apr 17 01:25:58 CDT 2018 Stefan Hajnoczi <stefanha@redhat.com> 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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