dma_free(9) just once in error case

buf is free'd and NULL, don't do it again to avoid a panic.

OK krw

diff --git a/sys/scsi/sd.c b/sys/scsi/sd.c
index 92d2f5e..fe1aa9f 100644 (file)
--- a/sys/scsi/sd.c
+++ b/sys/scsi/sd.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: sd.c,v 1.335 2023/11/10 17:43:39 krw Exp $    */
+/*     $OpenBSD: sd.c,v 1.336 2024/05/04 16:40:38 kn Exp $     */
 /*     $NetBSD: sd.c,v 1.111 1997/04/02 02:29:41 mycroft Exp $ */
 
 /*-
@@ -1771,7 +1771,7 @@ validate:
        }
 
        if (dp.disksize == 0)
-               goto die;
+               return -1;
 
        /*
         * Restrict secsize values to powers of two between 512 and 64k.