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Return NULL on resource shortage instead of blindly continuing.

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Obtained from: Eivind Eklund <eivind@yes.no>
This commit is contained in:
Justin T. Gibbs 1998-12-22 18:12:09 +00:00
parent 2331285d76
commit a466025179
1 changed files with 4 additions and 2 deletions
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6
sys/dev/advansys/advansys.c
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@ -32,7 +32,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: advansys.c,v 1.5 1998/10/29 17:41:34 gibbs Exp $
* $Id: advansys.c,v 1.6 1998/12/04 22:54:44 archie Exp $
*/
/*
* Ported from:
@ -554,8 +554,10 @@ adv_alloc_ccb_info(struct adv_softc *adv)
struct adv_ccb_info *cinfo;
cinfo = malloc(sizeof(*cinfo), M_DEVBUF, M_NOWAIT);
if (cinfo == NULL)
if (cinfo == NULL) {
printf("%s: Can't malloc CCB info\n", adv_name(adv));
return (NULL);
}
cinfo->state = ACCB_FREE;
error = bus_dmamap_create(adv->buffer_dmat, /*flags*/0,
&cinfo->dmamap);