[Midnightbsd-cvs] src: envy24.c: Improve error handling.

[laffer1 at midnightbsd.org]

Log Message:
-----------
Improve error handling.

Modified Files:
--------------
    src/sys/dev/sound/pci:
        envy24.c (r1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/sys/dev/sound/pci/envy24.c?r1=1.1&r2=1.2)