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Re: [Qemu-trivial] [Qemu-devel] [PATCH v2] tests/libqtest: Print error i
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From: |
Samuel Thibault |
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Subject: |
Re: [Qemu-trivial] [Qemu-devel] [PATCH v2] tests/libqtest: Print error instead of aborting when env variable is missing |
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Date: |
Tue, 23 May 2017 09:59:27 +0200 |
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User-agent: |
NeoMutt/20170113 (1.7.2) |
Thomas Huth, on mar. 23 mai 2017 09:25:30 +0200, wrote:
> > /tmp/qemu-test/src/slirp/tcp_input.c: In function ‘tcp_input’:
> > /tmp/qemu-test/src/slirp/tcp_input.c:219: warning: ‘save_ip.ip_p’ may be
> > used uninitialized in this function
>
> I've never seen these warnings in tcp_input.c before ... and they also
> look like false positives too me ...
They are. It's the classical false-positive:
int foo;
if (blah)
foo = 1;
...
if (blah)
f(foo);
where gcc doesn't realize it's the same condition between the
initialization and the use.
If that poses problem, we can force a dumb initialization...
Samuel