eliminate aliasing warning in networking/route.c

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/networking/ifplugd.c b/networking/ifplugd.c
index 3b59a63ff..8dd0a5bd8 100644
--- a/networking/ifplugd.c
+++ b/networking/ifplugd.c
@@ -133,7 +133,8 @@ static smallint detect_link_mii(void)
 {
         /* char buffer instead of bona-fide struct avoids aliasing warning */
         char buf[sizeof(struct ifreq)];
-        struct ifreq *ifreq = (void *)buf;
+        struct ifreq *const ifreq = (void *)buf;
+
         struct mii_ioctl_data *mii = (void *)&ifreq->ifr_data;
 
         set_ifreq_to_ifname(ifreq);
@@ -155,7 +156,8 @@ static smallint detect_link_priv(void)
 {
         /* char buffer instead of bona-fide struct avoids aliasing warning */
         char buf[sizeof(struct ifreq)];
-        struct ifreq *ifreq = (void *)buf;
+        struct ifreq *const ifreq = (void *)buf;
+
         struct mii_ioctl_data *mii = (void *)&ifreq->ifr_data;
 
         set_ifreq_to_ifname(ifreq);