[PATCH 1/6] mmc: msm_sdcc: Handle error cases in probe

From: David Brown
Date: Tue Aug 23 2011 - 13:40:39 EST


From: Sahitya Tummala <stummala@xxxxxxxxxxxxxx>

Signed-off-by: Sahitya Tummala <stummala@xxxxxxxxxxxxxx>
Signed-off-by: David Brown <davidb@xxxxxxxxxxxxxx>
---
drivers/mmc/host/msm_sdcc.c | 14 +++++++++++---
1 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index cfe0c89..0f0b4fd 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -1215,7 +1215,7 @@ msmsdcc_probe(struct platform_device *pdev)
host->base = ioremap(memres->start, PAGE_SIZE);
if (!host->base) {
ret = -ENOMEM;
- goto out;
+ goto host_free;
}

host->cmd_irqres = cmd_irqres;
@@ -1230,13 +1230,15 @@ msmsdcc_probe(struct platform_device *pdev)
/*
* Setup DMA
*/
- msmsdcc_init_dma(host);
+ ret = msmsdcc_init_dma(host);
+ if (ret)
+ goto ioremap_free;

/* Get our clocks */
host->pclk = clk_get(&pdev->dev, "sdc_pclk");
if (IS_ERR(host->pclk)) {
ret = PTR_ERR(host->pclk);
- goto host_free;
+ goto dma_free;
}

host->clk = clk_get(&pdev->dev, "sdc_clk");
@@ -1377,6 +1379,12 @@ msmsdcc_probe(struct platform_device *pdev)
clk_put(host->clk);
pclk_put:
clk_put(host->pclk);
+dma_free:
+ dma_free_coherent(NULL, sizeof(struct msmsdcc_nc_dmadata),
+ host->dma.nc, host->dma.nc_busaddr);
+ioremap_free:
+ tasklet_kill(&host->dma_tlet);
+ iounmap(host->base);
host_free:
mmc_free_host(mmc);
out:
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

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