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net: e1000e: fix dead code in e1000e_write_packet_to_guest 

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>
This commit is contained in:
Paolo Bonzini 2017-01-26 11:10:10 +01:00 committed by Jason Wang
parent a2dbe1356f
commit e514fc7e12
1 changed files with 1 additions and 1 deletions
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2
hw/net/e1000e_core.c
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@ -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;