diff options
| author |   Dexuan Cui <decui@microsoft.com> | 2017-09-21 23:41:47 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-09-22 10:29:54 +0200 |
| commit | 33c150c2ee4a65a59190a124b45d05b1abf9478e (patch) | |
| tree | 1ef74e89bccee866cb126f68395ed4042cee1b8a /drivers/hv/hv_fcopy.c | |
| parent | intel_th: pci: Add Lewisburg PCH support (diff) | |
| download | linux-dev-33c150c2ee4a65a59190a124b45d05b1abf9478e.tar.xz linux-dev-33c150c2ee4a65a59190a124b45d05b1abf9478e.zip | |
vmbus: don't acquire the mutex in vmbus_hvsock_device_unregister()
Due to commit 54a66265d675 ("Drivers: hv: vmbus: Fix rescind handling"),
we need this patch to resolve the below deadlock:
after we get the mutex in vmbus_hvsock_device_unregister() and call
vmbus_device_unregister() -> device_unregister() -> ... -> device_release()
-> vmbus_device_release(), we'll get a deadlock, because
vmbus_device_release() tries to get the same mutex.
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: stable@vger.kernel.org (4.13 and above)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv/hv_fcopy.c')
0 files changed, 0 insertions, 0 deletions