From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH 3/3] spi: switch to devm_spi_alloc_master Date: Fri, 31 Jan 2014 09:18:21 -0700 Message-ID: <52EBCCCD.301@wwwdotorg.org> References: <1391163792-21819-1-git-send-email-maxime.ripard@free-electrons.com> <1391163792-21819-4-git-send-email-maxime.ripard@free-electrons.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Maxime Ripard , Mark Brown Return-path: In-Reply-To: <1391163792-21819-4-git-send-email-maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: On 01/31/2014 03:23 AM, Maxime Ripard wrote: > Make the existing users of devm_spi_register_master use the > devm_spi_alloc_master function to avoid leaking memory. > diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c > @@ -1087,14 +1085,13 @@ static int tegra_spi_probe(struct platform_device *pdev) > if (ret < 0) { > dev_err(&pdev->dev, "Failed to register ISR for IRQ %d\n", > tspi->irq); > - goto exit_free_master; > + return ret; > } > > tspi->clk = devm_clk_get(&pdev->dev, "spi"); > if (IS_ERR(tspi->clk)) { > dev_err(&pdev->dev, "can not get clock\n"); > - ret = PTR_ERR(tspi->clk); > - goto exit_free_irq; > + return PTR_ERR(tspi->clk); > } > > tspi->max_buf_size = SPI_FIFO_DEPTH << 2; > @@ -1152,8 +1149,6 @@ exit_rx_dma_free: > tegra_spi_deinit_dma_param(tspi, true); > exit_free_irq: > free_irq(spi_irq, tspi); > -exit_free_master: > - spi_master_put(master); > return ret; Doesn't that s/goto exit_free_irq/return/ leak spi_irq? It's only OK to replace goto free_master with a direct return. The other two Tegra drivers don't seem to have this problem. -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html