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Code Issues Releases Activity

Don't try to allocate memory resource unless address is non-zero.

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This commit is contained in:
Doug Rabson 1999-05-24 18:50:41 +00:00
parent 3172992e9d
commit 1522abdd5e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=47469
1 changed files with 3 additions and 2 deletions
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5
sys/i386/isa/isa_compat.c
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@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: isa_compat.c,v 1.9 1999/05/08 21:59:25 dfr Exp $
* $Id: isa_compat.c,v 1.10 1999/05/22 15:18:12 dfr Exp $
*/
#include <sys/param.h>
@ -81,7 +81,8 @@ isa_compat_alloc_resources(device_t dev, struct isa_compat_resources *res)
res->ports = 0;
if (ISA_GET_RESOURCE(parent, dev, SYS_RES_MEMORY, 0,
&start, &count) == 0) {
&start, &count) == 0
&& start != 0) {
rid = 0;
res->memory = bus_alloc_resource(dev, SYS_RES_MEMORY,
&rid, 0ul, ~0ul, 1,