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-rw-r--r--net/netfilter/xt_time.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c
index e9a8794bc3a..9fa2e082470 100644
--- a/net/netfilter/xt_time.c
+++ b/net/netfilter/xt_time.c
@@ -95,8 +95,11 @@ static inline void localtime_2(struct xtm *r, time_t time)
*/
r->dse = time / 86400;
- /* 1970-01-01 (w=0) was a Thursday (4). */
- r->weekday = (4 + r->dse) % 7;
+ /*
+ * 1970-01-01 (w=0) was a Thursday (4).
+ * -1 and +1 map Sunday properly onto 7.
+ */
+ r->weekday = (4 + r->dse - 1) % 7 + 1;
}
static void localtime_3(struct xtm *r, time_t time)