Benedikt Spranger f0dab28915 tiny-printf: Handle NULL pointer argument to %s ...

A NULL pointer argument to %s causes a NULL pointer dereference in the
fixed width numerical printout code, since p is overwritten with NULL.
In case of %s width is 0. Check width before dereferencing the pointer.

Signed-off-by: Benedikt Spranger <b.spranger@linutronix.de>
Reviewed-by: John Ogness <john.ogness@linutronix.de>

2024-11-29 12:59:27 +02:00

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