USB: fix dereference in drivers/usb/misc/adutux.c
in two of the error cases, dev is still NULL,
and we dereference it. Spotted by coverity (cid#1428, 1429)
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index aecd633..af2934e 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -370,7 +370,8 @@
retval = adu_release_internal(dev);
exit:
- up(&dev->sem);
+ if (dev)
+ up(&dev->sem);
dbg(2," %s : leave, return value %d", __FUNCTION__, retval);
return retval;
}