powerpc: Protect against NULL pointer deref in phyp-dump code

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print_dump_header() will be called at least once with a NULL pointer in
a normal boot sequence.  If DEBUG is defined then we will dereference
the pointer and crash.  Add a quick fix to exit early in the NULL pointer
case.

Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Acked-by: Manish Ahuja <mahujam@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

...

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Tony Breeds 2008-12-15 18:17:48 +00:00 • committed by Paul Mackerras

parent 8168b5400b

commit 7a2eab0d4e

1 changed files with 3 additions and 0 deletions

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arch/powerpc/platforms/pseries/phyp_dump.c

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