mangavalk/lcdproc
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do not assume PrivateData != NULL on closing

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This commit is contained in:
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
+16 -15
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@@ -418,28 +418,29 @@ IOWarrior_close(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
/* don't turn display off: keep the logoff message */
// iowlcd_display_on_off(p->udh,0,0,0);
if (p != NULL) {
/* don't turn display off: keep the logoff message */
// iowlcd_display_on_off(p->udh,0,0,0);
/* IOW leave LCD mode */
iowlcd_disable(p->udh);
/* IOW leave LCD mode */
iowlcd_disable(p->udh);
/* release interface 1 */
usb_release_interface(p->udh, 1);
/* release interface 1 */
usb_release_interface(p->udh, 1);
/* close USB */
usb_close(p->udh);
/* close USB */
usb_close(p->udh);
if (p->framebuf != NULL)
free(p->framebuf);
p->framebuf = NULL;
if (p->framebuf != NULL)
free(p->framebuf);
p->framebuf = NULL;
if (p->backingstore != NULL)
free(p->backingstore);
p->backingstore = NULL;
if (p->backingstore != NULL)
free(p->backingstore);
p->backingstore = NULL;
if (p != NULL)
free(p);
}
drvthis->store_private_ptr(drvthis, NULL);
debug(RPT_DEBUG, "IOWarrior: closed");