sctp: Allow regular C expression in 4th argument for SCTP_DEBUG_PRINTK_IPADDR macro.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index b2c2366..0037e28 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -285,20 +285,21 @@
pr_cont(fmt, ##args); \
} while (0)
#define SCTP_DEBUG_PRINTK_IPADDR(fmt_lead, fmt_trail, \
- args_lead, saddr, args_trail...) \
+ args_lead, addr, args_trail...) \
do { \
+ const union sctp_addr *_addr = (addr); \
if (sctp_debug_flag) { \
- if (saddr->sa.sa_family == AF_INET6) { \
+ if (_addr->sa.sa_family == AF_INET6) { \
printk(KERN_DEBUG \
pr_fmt(fmt_lead "%pI6" fmt_trail), \
args_lead, \
- &saddr->v6.sin6_addr, \
+ &_addr->v6.sin6_addr, \
args_trail); \
} else { \
printk(KERN_DEBUG \
pr_fmt(fmt_lead "%pI4" fmt_trail), \
args_lead, \
- &saddr->v4.sin_addr.s_addr, \
+ &_addr->v4.sin_addr.s_addr, \
args_trail); \
} \
} \