CVS commit: src/sys/arch/x86/x86

["Christos Zoulas" <christos%netbsd.org@localhost>]

Module Name:    src
Committed By:   christos
Date:           Tue Oct 27 18:19:05 UTC 2015

Modified Files:
        src/sys/arch/x86/x86: bus_dma.c

Log Message:
make sure we have a cookie before we try to clear it.


To generate a diff of this commit:
cvs rdiff -u -r1.72 -r1.73 src/sys/arch/x86/x86/bus_dma.c

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