ipq40xx: kw fix: Avoid Null pointer dereferencing

Pointer 's' returned from call to function 'getenv' may be
NULL and will be dereferenced.

Change-Id: Ia6800c2eb36029e8db5a0869c0969e9c90ab0ab7
Signed-off-by: Sasirekaa Madhesu <smadhesu@codeaurora.org>
1 file changed