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-rw-r--r--drivers/net/tun.c2
-rw-r--r--include/uapi/linux/sockios.h2
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 9142db847ee1..1588469844e7 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1985,7 +1985,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
int le;
int ret;
- if (cmd == TUNSETIFF || cmd == TUNSETQUEUE || _IOC_TYPE(cmd) == 0x89) {
+ if (cmd == TUNSETIFF || cmd == TUNSETQUEUE || _IOC_TYPE(cmd) == SOCK_IOC_TYPE) {
if (copy_from_user(&ifr, argp, ifreq_len))
return -EFAULT;
} else {
diff --git a/include/uapi/linux/sockios.h b/include/uapi/linux/sockios.h
index 83cc54ce6081..79d029d25310 100644
--- a/include/uapi/linux/sockios.h
+++ b/include/uapi/linux/sockios.h
@@ -24,6 +24,8 @@
#define SIOCINQ FIONREAD
#define SIOCOUTQ TIOCOUTQ /* output queue size (not sent + not acked) */
+#define SOCK_IOC_TYPE 0x89
+
/* Routing table calls. */
#define SIOCADDRT 0x890B /* add routing table entry */
#define SIOCDELRT 0x890C /* delete routing table entry */