staging: mt7621-mmc: Fix memory leek in case of error in probe
If the base address is not successfully obtained in the probe function, then the mmc_host struct is not freed. Adding an exit for that case fixes the bug. Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de> Reviewed-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2719,8 +2719,10 @@ static int msdc_drv_probe(struct platform_device *pdev)
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//BUG_ON((!hw) || (!mem) || (irq < 0)); /* --- by chhung */
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base = devm_ioremap_resource(&pdev->dev, res);
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if (IS_ERR(base))
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return PTR_ERR(base);
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if (IS_ERR(base)) {
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ret = PTR_ERR(base);
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goto host_free;
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}
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/* Set host parameters to mmc */
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mmc->ops = &mt_msdc_ops;
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@ -2861,6 +2863,7 @@ release:
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if (mem)
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release_mem_region(mem->start, mem->end - mem->start + 1);
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host_free:
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mmc_free_host(mmc);
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return ret;
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