[U-Boot] [U-Boot, 1/1] lib: circbuf: avoid possible null pointer dereference

[Tom Rini]

On Wed, May 03, 2017 at 11:20:10PM +0200, xypron.glpk at gmx.de wrote:

> 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 at gmx.de>

Applied to u-boot/master, thanks!

-- 
Tom
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