hv: don't reset hv_context.tsc_page on crash

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It may happen that secondary CPUs are still alive and resetting
hv_context.tsc_page will cause a consequent crash in read_hv_clock_tsc()
as we don't check for it being not NULL there. It is safe as we're not
freeing this page anyways.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Vitaly Kuznetsov 2016-12-07 01:16:27 -08:00 • committed by Greg Kroah-Hartman

parent 3c7630d350

commit 56ef6718a1

1 changed files with 3 additions and 2 deletions

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drivers/hv/hv.c

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