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hv: use correct order when freeing monitor_pages

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We try to free two pages when only one has been allocated.
Cleanup path is unlikely, so I haven't found any trace that would fit,
but I hope that free_pages_prepare() does catch it.

Cc: stable@vger.kernel.org
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Radim Krčmář 2014-05-27 19:16:20 +02:00 • committed by Greg Kroah-Hartman
commit a100d88df1
1 changed files with 2 additions and 2 deletions
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4
drivers/hv/connection.c
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@ -224,8 +224,8 @@ cleanup:
vmbus_connection.int_page = NULL; vmbus_connection.int_page = NULL;
} }
free_pages((unsigned long)vmbus_connection.monitor_pages[0], 1); free_pages((unsigned long)vmbus_connection.monitor_pages[0], 0);
free_pages((unsigned long)vmbus_connection.monitor_pages[1], 1); free_pages((unsigned long)vmbus_connection.monitor_pages[1], 0);
vmbus_connection.monitor_pages[0] = NULL; vmbus_connection.monitor_pages[0] = NULL;
vmbus_connection.monitor_pages[1] = NULL; vmbus_connection.monitor_pages[1] = NULL;