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From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Sat, 15 Oct 2011 15:57:56 +0000 (UTC)
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Subject: svn commit: r226398 - head/sys/dev/iicbus
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Author: brueffer
Date: Sat Oct 15 15:57:55 2011
New Revision: 226398
URL: http://svn.freebsd.org/changeset/base/226398

Log:
  Properly free resources in an error case.
  
  CID:		4203
  Found with:	Coverity Prevent(tm)
  MFC after:	1 week

Modified:
  head/sys/dev/iicbus/iic.c

Modified: head/sys/dev/iicbus/iic.c
==============================================================================
--- head/sys/dev/iicbus/iic.c	Sat Oct 15 15:21:33 2011	(r226397)
+++ head/sys/dev/iicbus/iic.c	Sat Oct 15 15:57:55 2011	(r226398)
@@ -348,8 +348,10 @@ iicioctl(struct cdev *dev, u_long cmd, c
 		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)
+		if (error) {
+			free(usrbufs, M_TEMP);
 			break;
+		}
 		/* Alloc kernel buffers for userland data, copyin write data */
 		for (i = 0; i < d->nmsgs; i++) {
 			m = &((struct iic_msg *)buf)[i];