x86/platform/UV: Fix bug with iounmap() of the UV4 EFI System Table causing a crash

Save the uv_systab::size field before doing the iounmap()
of the struct pointer, to avoid a NULL dereference crash.

Tested-by: Frank Ramsay <[email protected]>
Tested-by: John Estabrook <[email protected]>
Signed-off-by: Mike Travis <[email protected]>
Reviewed-by: Dimitri Sivanich <[email protected]>
Reviewed-by: Nathan Zimmer <[email protected]>
Cc: Alex Thorlton <[email protected]>
Cc: Andrew Banman <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Russ Anderson <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

0 files changed, 0 insertions, 0 deletions