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From: Paolo Bonzini <pbonzini@redhat.com>
To: Michael Tokarev <mjt@tls.msk.ru>, Stefan Weil <sw@weilnetz.de>,
	 Shannon Zhao <zhaoshenglong@huawei.com>,
	qemu-devel@nongnu.org
Cc: qemu-trivial@nongnu.org, peter.maydell@linaro.org,
	hangaohuai@huawei.com, peter.huangpeng@huawei.com,
	shannon.zhao@linaro.org
Subject: Re: [Qemu-trivial] [PATCH] hw/bt/sdp: Fix resource leak detect by coverity
Date: Sun, 15 Mar 2015 15:11:48 +0100	[thread overview]
Message-ID: <55059324.8030202@redhat.com> (raw)
In-Reply-To: <55055DBA.9040804@msgid.tls.msk.ru>



On 15/03/2015 11:23, Michael Tokarev wrote:
> Or, alternatively, to keep this `data' pointer in sdp to use it in
> bt_l2cap_sdp_close_ch().

Yes.

>> > In any case, it seems simpler to just leave this code aside.
> How many times this code is called?
> 
> We have many many places in qemu where resources are allocated once
> at startup and never freed just because there's no need to.

Well, in this case the bug in bt_l2cap_sdp_close_ch is much worse than a
resource leak.  But bluetooth is not the utmost priority in QEMU
development...

Paolo


WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Michael Tokarev <mjt@tls.msk.ru>, Stefan Weil <sw@weilnetz.de>,
	Shannon Zhao <zhaoshenglong@huawei.com>,
	qemu-devel@nongnu.org
Cc: qemu-trivial@nongnu.org, peter.maydell@linaro.org,
	hangaohuai@huawei.com, peter.huangpeng@huawei.com,
	shannon.zhao@linaro.org
Subject: Re: [Qemu-devel] [PATCH] hw/bt/sdp: Fix resource leak detect by coverity
Date: Sun, 15 Mar 2015 15:11:48 +0100	[thread overview]
Message-ID: <55059324.8030202@redhat.com> (raw)
In-Reply-To: <55055DBA.9040804@msgid.tls.msk.ru>



On 15/03/2015 11:23, Michael Tokarev wrote:
> Or, alternatively, to keep this `data' pointer in sdp to use it in
> bt_l2cap_sdp_close_ch().

Yes.

>> > In any case, it seems simpler to just leave this code aside.
> How many times this code is called?
> 
> We have many many places in qemu where resources are allocated once
> at startup and never freed just because there's no need to.

Well, in this case the bug in bt_l2cap_sdp_close_ch is much worse than a
resource leak.  But bluetooth is not the utmost priority in QEMU
development...

Paolo

  reply	other threads:[~2015-03-15 14:12 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-14  9:47 [Qemu-trivial] [PATCH] hw/bt/sdp: Fix resource leak detect by coverity Shannon Zhao
2015-03-14  9:47 ` [Qemu-devel] " Shannon Zhao
2015-03-14 10:07 ` [Qemu-trivial] " Stefan Weil
2015-03-14 10:07   ` Stefan Weil
2015-03-15  9:21   ` [Qemu-trivial] " Paolo Bonzini
2015-03-15  9:21     ` [Qemu-devel] " Paolo Bonzini
2015-03-15 10:23     ` [Qemu-trivial] " Michael Tokarev
2015-03-15 10:23       ` [Qemu-devel] " Michael Tokarev
2015-03-15 14:11       ` Paolo Bonzini [this message]
2015-03-15 14:11         ` Paolo Bonzini
2015-03-16  7:29         ` [Qemu-trivial] " Markus Armbruster
2015-03-16  7:29           ` Markus Armbruster
2015-03-16  8:13           ` [Qemu-trivial] " Paolo Bonzini
2015-03-16  8:13             ` [Qemu-devel] " Paolo Bonzini
  -- strict thread matches above, loose matches on Subject: below --
2015-03-14  3:42 [Qemu-trivial] " Shannon Zhao

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