svn commit: r226398 - head/sys/dev/iicbus
Christian Brueffer
brueffer at FreeBSD.org
Sat Oct 15 15:57:56 UTC 2011
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];
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