[Lguest] [PATCH] lguest.c: get rid of compiler warnings
Andrew Jones
drjones at redhat.com
Wed Dec 8 04:30:18 EST 2010
This is a small cleanup to get rid of compiler warnings when compiling
with strict aliasing turned on.
Signed-off-by: Andrew Jones <drjones at redhat.com>
---
Documentation/lguest/lguest.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c
index 098de5b..09da807 100644
--- a/Documentation/lguest/lguest.c
+++ b/Documentation/lguest/lguest.c
@@ -1448,14 +1448,15 @@ static void add_to_bridge(int fd, const char *if_name, const char *br_name)
static void configure_device(int fd, const char *tapif, u32 ipaddr)
{
struct ifreq ifr;
- struct sockaddr_in *sin = (struct sockaddr_in *)&ifr.ifr_addr;
+ struct sockaddr_in sin;
+ sin.sin_family = AF_INET;
+ sin.sin_addr.s_addr = htonl(ipaddr);
memset(&ifr, 0, sizeof(ifr));
strcpy(ifr.ifr_name, tapif);
+ memcpy(&ifr.ifr_addr, &sin, sizeof(ifr.ifr_addr));
/* Don't read these incantations. Just cut & paste them like I did! */
- sin->sin_family = AF_INET;
- sin->sin_addr.s_addr = htonl(ipaddr);
if (ioctl(fd, SIOCSIFADDR, &ifr) != 0)
err(1, "Setting %s interface address", tapif);
ifr.ifr_flags = IFF_UP;
--
1.7.1
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