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From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Sun, 23 Oct 2011 18:24:55 +0000 (UTC)
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Subject: svn commit: r226668 - stable/8/sys/dev/iicbus
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Author: brueffer
Date: Sun Oct 23 18:24:55 2011
New Revision: 226668
URL: http://svn.freebsd.org/changeset/base/226668

Log:
  MFC: r226398, r226442
  
  Move the allocation of usrbufs down a few lines to avoid leaking it
  in case of an error.

Modified:
  stable/8/sys/dev/iicbus/iic.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/dev/iicbus/iic.c
==============================================================================
--- stable/8/sys/dev/iicbus/iic.c	Sun Oct 23 18:20:51 2011	(r226667)
+++ stable/8/sys/dev/iicbus/iic.c	Sun Oct 23 18:24:55 2011	(r226668)
@@ -346,11 +346,11 @@ iicioctl(struct cdev *dev, u_long cmd, c
 
 	case I2CRDWR:
 		buf = malloc(sizeof(*d->msgs) * d->nmsgs, M_TEMP, M_WAITOK);
-		usrbufs = malloc(sizeof(void *) * d->nmsgs, M_TEMP, M_ZERO | M_WAITOK);
 		error = copyin(d->msgs, buf, sizeof(*d->msgs) * d->nmsgs);
 		if (error)
 			break;
 		/* Alloc kernel buffers for userland data, copyin write data */
+		usrbufs = malloc(sizeof(void *) * d->nmsgs, M_TEMP, M_ZERO | M_WAITOK);
 		for (i = 0; i < d->nmsgs; i++) {
 			m = &((struct iic_msg *)buf)[i];
 			usrbufs[i] = m->buf;