CVS commit: src/sys/dev

["Tetsuya Isaki" <isaki%netbsd.org@localhost>]

Module Name:    src
Committed By:   isaki
Date:           Sat Jul 29 06:30:56 UTC 2017

Modified Files:
        src/sys/dev: audio.c

Log Message:
Fix error handling of ring buffers allocation in audioattach().
NULL dereference, dead code, reference to uninitialized variable,
and mutex leak.
XXX In the current implementation, if audio_alloc_ring() returns error,
    it is not guaranteed that ringbuf->s.start will be NULL.


To generate a diff of this commit:
cvs rdiff -u -r1.378 -r1.379 src/sys/dev/audio.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.