Author: melifaro
Date: Sun May 24 11:24:14 2015
New Revision: 283364
URL: https://svnweb.freebsd.org/changeset/base/283364
Log:
Fix SIOCGI2C structure requirement.
In reality, SIOCGI2C ioctl requires struct ifreq as many other
ioctls. Doing copyin() on (significantly) larger struct ifstat sometimes
triggered EFAULT.
Reported by: Olivier Cochard-Labbé <olivier at cochard.me>
MFC after: 1 week
Modified:
head/sys/sys/sockio.h
Modified: head/sys/sys/sockio.h
==============================================================================
--- head/sys/sys/sockio.h Sun May 24 11:08:06 2015 (r283363)
+++ head/sys/sys/sockio.h Sun May 24 11:24:14 2015 (r283364)
@@ -96,7 +96,7 @@
#define SIOCGIFSTATUS _IOWR('i', 59, struct ifstat) /* get IF
status */
#define SIOCSIFLLADDR _IOW('i', 60, struct ifreq) /* set
linklevel addr */
-#define SIOCGI2C _IOWR('i', 61, struct ifstat) /* get I2C data
*/
+#define SIOCGI2C _IOWR('i', 61, struct ifreq) /* get I2C data
*/
#define SIOCSIFPHYADDR _IOW('i', 70, struct ifaliasreq) /* set gif
addres */
#define SIOCGIFPSRCADDR _IOWR('i', 71, struct ifreq) /* get gif psrc
addr */
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