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May be easy to understand 'pay_len > 0' more than 'paylaod != NULL'.

This commit is contained in:
kiyohara 2010-05-14 12:25:19 +00:00
parent 0f5342ae85
commit 931a85be79
1 changed files with 4 additions and 4 deletions
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8
sys/dev/ieee1394/firewire.c
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@ -1,4 +1,4 @@
/* $NetBSD: firewire.c,v 1.31 2010/05/10 12:17:32 kiyohara Exp $ */ /* $NetBSD: firewire.c,v 1.32 2010/05/14 12:25:19 kiyohara Exp $ */
/*- /*-
* Copyright (c) 2003 Hidetoshi Shimokawa * Copyright (c) 2003 Hidetoshi Shimokawa
* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
@ -37,7 +37,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: firewire.c,v 1.31 2010/05/10 12:17:32 kiyohara Exp $"); __KERNEL_RCSID(0, "$NetBSD: firewire.c,v 1.32 2010/05/14 12:25:19 kiyohara Exp $");
#include <sys/param.h> #include <sys/param.h>
#include <sys/bus.h> #include <sys/bus.h>
@ -920,9 +920,9 @@ fw_xfer_free_buf(struct fw_xfer* xfer)
return; return;
} }
fw_xfer_unload(xfer); fw_xfer_unload(xfer);
if (xfer->send.payload != NULL) if (xfer->send.pay_len > 0)
kmem_free(xfer->send.payload, xfer->send.pay_len); kmem_free(xfer->send.payload, xfer->send.pay_len);
if (xfer->recv.payload != NULL) if (xfer->recv.pay_len > 0)
kmem_free(xfer->recv.payload, xfer->recv.pay_len); kmem_free(xfer->recv.payload, xfer->recv.pay_len);
cv_destroy(&xfer->cv); cv_destroy(&xfer->cv);
kmem_free(xfer, sizeof(struct fw_xfer)); kmem_free(xfer, sizeof(struct fw_xfer));