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mmc: atmel-mci: Release mmc resources on failure in probe 

This change takes care of releasing mmc resources on error cases in
probe function which was missing. Also release timer in remove function.

Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
wifi-calibration
Pramod Gurav 2014-09-23 15:50:06 +05:30 committed by Ulf Hansson
parent 7bca646e0f
commit 528bc7808f
1 changed files with 9 additions and 2 deletions
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11
drivers/mmc/host/atmel-mci.c
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@ -2377,7 +2377,7 @@ static int __init atmci_probe(struct platform_device *pdev)
struct resource *regs;
unsigned int nr_slots;
int irq;
int ret;
int ret, i;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs)
@ -2483,7 +2483,7 @@ static int __init atmci_probe(struct platform_device *pdev)
if (!host->buffer) {
ret = -ENOMEM;
dev_err(&pdev->dev, "buffer allocation failed\n");
goto err_init_slot;
goto err_dma_alloc;
}
}
@ -2493,7 +2493,13 @@ static int __init atmci_probe(struct platform_device *pdev)
return 0;
err_dma_alloc:
for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
if (host->slot[i])
atmci_cleanup_slot(host->slot[i], i);
}
err_init_slot:
del_timer_sync(&host->timer);
if (host->dma.chan)
dma_release_channel(host->dma.chan);
free_irq(irq, host);
@ -2520,6 +2526,7 @@ static int __exit atmci_remove(struct platform_device *pdev)
atmci_readl(host, ATMCI_SR);
clk_disable_unprepare(host->mck);
del_timer_sync(&host->timer);
if (host->dma.chan)
dma_release_channel(host->dma.chan);