Wolfgang Denk 2740544881 malloc: return NULL if not initialized yet ...

When malloc() was called before it was properly initialized
(as would happen if when used before relocation to RAM) it returned
random, non-NULL values, which called all kinds of difficult to debug
subsequent errors.

Make sure to return NULL when initialization was not done yet.

Signed-off-by: Wolfgang Denk <wd@denx.de>

2010-01-15 13:26:20 +01:00

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