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do not assume PrivateData != NULL on closing

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marschap
2005-05-29 17:42:01 +00:00
parent 79cfbc7b13
commit be2994832a
1 changed files with 16 additions and 15 deletions
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server/drivers/IOWarrior.c
+2 -1
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@@ -418,6 +418,7 @@ IOWarrior_close(Driver *drvthis)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
if (p != NULL) {
/* don't turn display off: keep the logoff message */ /* don't turn display off: keep the logoff message */
// iowlcd_display_on_off(p->udh,0,0,0); // iowlcd_display_on_off(p->udh,0,0,0);
@@ -438,8 +439,8 @@ PrivateData *p = drvthis->private_data;
free(p->backingstore); free(p->backingstore);
p->backingstore = NULL; p->backingstore = NULL;
if (p != NULL)
free(p); free(p);
}
drvthis->store_private_ptr(drvthis, NULL); drvthis->store_private_ptr(drvthis, NULL);
debug(RPT_DEBUG, "IOWarrior: closed"); debug(RPT_DEBUG, "IOWarrior: closed");