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| author | Michael Kelley <mikelley@microsoft.com> | 2020-09-13 12:47:29 -0700 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2020-09-14 11:42:33 +0000 |
| commit | 911e1987efc8f3e6445955fbae7f54b428b92bd3 (patch) | |
| tree | f513da7f15a88350919e084894fe41f00b5f3991 /security/lockdown | |
| parent | 19873eec7e13fda140a0ebc75d6664e57c00bfb1 (diff) | |
| download | lwn-911e1987efc8f3e6445955fbae7f54b428b92bd3.tar.gz lwn-911e1987efc8f3e6445955fbae7f54b428b92bd3.zip | |
Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload
vmbus_wait_for_unload() looks for a CHANNELMSG_UNLOAD_RESPONSE message
coming from Hyper-V. But if the message isn't found for some reason,
the panic path gets hung forever. Add a timeout of 10 seconds to prevent
this.
Fixes: 415719160de3 ("Drivers: hv: vmbus: avoid scheduling in interrupt context in vmbus_initiate_unload()")
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/1600026449-23651-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Diffstat (limited to 'security/lockdown')
0 files changed, 0 insertions, 0 deletions