tree a7096fcd96ac176998753945e9fd73ac93ae9be3
parent 3eac974fc77954810be3ab0540adfcb088399bb4
author xypron.glpk@gmx.de <xypron.glpk@gmx.de> 1493846410 +0200
committer Tom Rini <trini@konsulko.com> 1494017157 -0400

lib: circbuf: avoid possible null pointer dereference

We should not first dereference p and afterwards assert that is
was not NULL. Instead do the assert first.

The problem was indicated by cppcheck.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>