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mxcmmc: fix error path in mxcmci_probe
After a failing allocation of mmc or a failed ioremap in mxcmci_probe host was used uninitialized. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Martin Fuzzey <mfuzzey@gmail.com> Cc: Pierre Ossman <drzeus@drzeus.cx> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parent
9b6e3e42a4
commit
c0521baf0d
@ -679,17 +679,17 @@ static int mxcmci_probe(struct platform_device *pdev)
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{
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struct mmc_host *mmc;
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struct mxcmci_host *host = NULL;
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struct resource *r;
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struct resource *iores, *r;
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int ret = 0, irq;
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printk(KERN_INFO "i.MX SDHC driver\n");
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r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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irq = platform_get_irq(pdev, 0);
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if (!r || irq < 0)
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if (!iores || irq < 0)
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return -EINVAL;
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r = request_mem_region(r->start, resource_size(r), pdev->name);
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r = request_mem_region(iores->start, resource_size(iores), pdev->name);
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if (!r)
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return -EBUSY;
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@ -809,7 +809,7 @@ out_iounmap:
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out_free:
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mmc_free_host(mmc);
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out_release_mem:
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release_mem_region(host->res->start, resource_size(host->res));
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release_mem_region(iores->start, resource_size(iores));
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return ret;
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}
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