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-rw-r--r--include/linux/netfilter/ipset/ip_set_timeout.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/netfilter/ipset/ip_set_timeout.h b/include/linux/netfilter/ipset/ip_set_timeout.h
index bfb3531fd88a..7ad8ddf9ca8a 100644
--- a/include/linux/netfilter/ipset/ip_set_timeout.h
+++ b/include/linux/netfilter/ipset/ip_set_timeout.h
@@ -65,8 +65,14 @@ ip_set_timeout_set(unsigned long *timeout, u32 value)
static inline u32
ip_set_timeout_get(const unsigned long *timeout)
{
- return *timeout == IPSET_ELEM_PERMANENT ? 0 :
- jiffies_to_msecs(*timeout - jiffies)/MSEC_PER_SEC;
+ u32 t;
+
+ if (*timeout == IPSET_ELEM_PERMANENT)
+ return 0;
+
+ t = jiffies_to_msecs(*timeout - jiffies)/MSEC_PER_SEC;
+ /* Zero value in userspace means no timeout */
+ return t == 0 ? 1 : t;
}
#endif /* __KERNEL__ */