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(parent: 3c7630d) | patch
hv: don't reset hv_context.tsc_page on crash
authorVitaly Kuznetsov <vkuznets@redhat.com>
Wed, 7 Dec 2016 09:16:27 +0000 (01:16 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 10 Jan 2017 20:46:40 +0000 (21:46 +0100)
commit56ef6718a1d8d77745033c5291e025ce18504159
tree6a8a35252d19385144e617cdaebafb971c5fd94etree | snapshot (tar.gz zip)
parent3c7630d35009e6635e5b58d62de554fd5b6db5dfcommit | diff
hv: don't reset hv_context.tsc_page on crash

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>
drivers/hv/hv.c diff | blob | blame | history