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From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>,
	qemu-arm@nongnu.org, qemu-devel@nongnu.org
Cc: patches@linaro.org
Subject: Re: [Qemu-devel] [PATCH 3/5] hw/sd/sdhci: Don't leak memory region in sdhci_sysbus_realize()
Date: Tue, 4 Dec 2018 07:58:54 -0600	[thread overview]
Message-ID: <36d844d4-7382-3eef-b88b-9accdde7727c@linaro.org> (raw)
In-Reply-To: <20181204132952.2601-4-peter.maydell@linaro.org>

On 12/4/18 7:29 AM, Peter Maydell wrote:
> In sdhci_sysbus_realize() we override the initialization of
> s->iomem that sdhci_common_realize() performs. However we
> don't destroy the old memory region before reinitializing
> it, which means that the memory allocated for mr->name in
> memory_region_do_init() is leaked.
> 
> Since sdhci_initfn() already initializes s->io_ops to
> &sdhci_mmio_ops, always use that in sdhci_common_realize()
> and remove the now-unnecessary reinitialization of the
> MMIO region from sdhci_sysbus_realize().
> 
> Spotted by clang's leak sanitizer.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  hw/sd/sdhci.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~

  reply	other threads:[~2018-12-04 13:59 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-04 13:29 [Qemu-devel] [PATCH 0/5] arm: five simple memory leak fixes Peter Maydell
2018-12-04 13:29 ` [Qemu-devel] [PATCH 1/5] target/arm: Free name string in ARMCPRegInfo hashtable entries Peter Maydell
2018-12-04 13:57   ` Richard Henderson
2018-12-04 14:25   ` Philippe Mathieu-Daudé
2018-12-04 13:29 ` [Qemu-devel] [PATCH 2/5] hw/arm/mps2-tz.c: Free mscname string in make_dma() Peter Maydell
2018-12-04 13:57   ` Richard Henderson
2018-12-04 14:26   ` Philippe Mathieu-Daudé
2018-12-04 13:29 ` [Qemu-devel] [PATCH 3/5] hw/sd/sdhci: Don't leak memory region in sdhci_sysbus_realize() Peter Maydell
2018-12-04 13:58   ` Richard Henderson [this message]
2018-12-04 14:29   ` Philippe Mathieu-Daudé
2018-12-04 13:29 ` [Qemu-devel] [PATCH 4/5] tests/test-arm-mptimer: Don't leak string memory Peter Maydell
2018-12-04 14:00   ` Richard Henderson
2018-12-04 17:08   ` Philippe Mathieu-Daudé
2018-12-04 13:29 ` [Qemu-devel] [PATCH 5/5] target/arm: Create timers in realize, not init Peter Maydell
2018-12-04 14:01   ` Richard Henderson

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