[PATCH] test: eth: Don't crash if env_get returns NULL

[Tom Rini]

On Sat, Oct 28, 2023 at 06:57:27PM -0400, Sean Anderson wrote:

> env_get can return NULL if it fails to find the variable. Check its result
> before using it.
> 
> Fixes: 6d9764c2a87 ("dm: test: Add a new test case against dm eth codes for NULL pointer access")
> Fixes: df33fd28897 ("test: eth: Add test for ethernet addresses")
> Signed-off-by: Sean Anderson <seanga2 at gmail.com>

Applied to u-boot/next, thanks!

-- 
Tom
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