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avf: don't memcpy if adminq output buffer size is 0
42/31542/2
author
Damjan Marion
<damarion@cisco.com>
Fri, 5 Mar 2021 10:39:02 +0000
(11:39 +0100)
committer
Matthew Smith
<mgsmith@netgate.com>
Fri, 5 Mar 2021 14:27:58 +0000
(14:27 +0000)
Type: fix
Change-Id: I0df14ff87d0bf51eeb392f72434febf6c4a2957a
Signed-off-by: Damjan Marion <damarion@cisco.com>
src/plugins/avf/device.c
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diff --git
a/src/plugins/avf/device.c
b/src/plugins/avf/device.c
index
139f1c9
..
fd17398
100644
(file)
--- a/
src/plugins/avf/device.c
+++ b/
src/plugins/avf/device.c
@@
-485,7
+485,7
@@
retry:
goto done;
}
goto done;
}
- if (d->flags & AVF_AQ_F_BUF)
+ if (
out_len &&
d->flags & AVF_AQ_F_BUF)
{
void *buf = ad->arq_bufs + ad->arq_next_slot * AVF_MBOX_BUF_SZ;
clib_memcpy_fast (out, buf, out_len);
{
void *buf = ad->arq_bufs + ad->arq_next_slot * AVF_MBOX_BUF_SZ;
clib_memcpy_fast (out, buf, out_len);