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[PULL,2/5] net: e1000e: fix dead code in e1000e_write_packet_to_guest

Message ID 1487130802-27953-3-git-send-email-jasowang@redhat.com
State New
Headers show

Commit Message

Jason Wang Feb. 15, 2017, 3:53 a.m. UTC 
From: Paolo Bonzini <pbonzini@redhat.com>

Because is_first is declared inside a loop, it is always true.  The store
is dead, and so is the "else" branch of "if (is_first)".  is_last is
okay though.

Reported by Coverity.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 hw/net/e1000e_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c
index 2b11499..c99e2fb 100644
--- a/hw/net/e1000e_core.c
+++ b/hw/net/e1000e_core.c
@@ -1507,6 +1507,7 @@  e1000e_write_packet_to_guest(E1000ECore *core, struct NetRxPkt *pkt,
     const E1000E_RingInfo *rxi;
     size_t ps_hdr_len = 0;
     bool do_ps = e1000e_do_ps(core, pkt, &ps_hdr_len);
+    bool is_first = true;
 
     rxi = rxr->i;
 
@@ -1514,7 +1515,6 @@  e1000e_write_packet_to_guest(E1000ECore *core, struct NetRxPkt *pkt,
         hwaddr ba[MAX_PS_BUFFERS];
         e1000e_ba_state bastate = { { 0 } };
         bool is_last = false;
-        bool is_first = true;
 
         desc_size = total_size - desc_offset;