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authorPramod Gurav <pramod.gurav@smartplayin.com>2014-09-23 10:20:06 (GMT)
committerUlf Hansson <ulf.hansson@linaro.org>2014-09-24 08:39:35 (GMT)
commit528bc7808f4e36a330ec17ef22803f1345091494 (patch)
tree884e9e93908ab2daf7c46cb1c2f5bff09257bede
parent7bca646e0fc34b19cd84e14ed474d1c95830cc80 (diff)
downloadlinux-528bc7808f4e36a330ec17ef22803f1345091494.tar.xz
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>
-rw-r--r--drivers/mmc/host/atmel-mci.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index f32a51e..772ef5b 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -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);