[dpdk-dev] [PATCH] e1000/base: fix the wrong assignment to msgbuf[0]
Yong Wang
wang.yong19 at zte.com.cn
Tue Feb 14 10:14:07 CET 2017
In function e1000_update_mc_addr_list_vf(), "msgbuf[0]" is used prior
to initialization at "msgbuf[0] |= E1000_VF_SET_MULTICAST_OVERFLOW".
And "msgbuf[0]" is overwritten at "msgbuf[0] = E1000_VF_SET_MULTICAST".
Fix it by moving the second line prior to the first one that mentioned
above.
Signed-off-by: Yong Wang <wang.yong19 at zte.com.cn>
---
drivers/net/e1000/base/e1000_vf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/e1000/base/e1000_vf.c b/drivers/net/e1000/base/e1000_vf.c
index 7845b48..44ab018 100644
--- a/drivers/net/e1000/base/e1000_vf.c
+++ b/drivers/net/e1000/base/e1000_vf.c
@@ -421,12 +421,13 @@ void e1000_update_mc_addr_list_vf(struct e1000_hw *hw,
DEBUGOUT1("MC Addr Count = %d\n", mc_addr_count);
+ msgbuf[0] = E1000_VF_SET_MULTICAST;
+
if (mc_addr_count > 30) {
msgbuf[0] |= E1000_VF_SET_MULTICAST_OVERFLOW;
mc_addr_count = 30;
}
- msgbuf[0] = E1000_VF_SET_MULTICAST;
msgbuf[0] |= mc_addr_count << E1000_VT_MSGINFO_SHIFT;
for (i = 0; i < mc_addr_count; i++) {
--
1.8.3.1
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