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Subject[PATCH v2] drivers/mtd/nand/bcm_umi_nand.c: add missing kfree/iounmap
Date
From: Julia Lawall <julia@diku.dk>

Add kfree and iounmap systematically in all error handling code, including
under #if.

Signed-off-by: Julia Lawall <julia@diku.dk>

---
drivers/mtd/nand/bcm_umi_nand.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index a8ae898..8cb567b 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -374,8 +374,10 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)

r = platform_get_resource(pdev, IORESOURCE_MEM, 0);

- if (!r)
+ if (!r) {
+ kfree(board_mtd);
return -ENXIO;
+ }

/* map physical address */
bcm_umi_io_base = ioremap(r->start, resource_size(r));
@@ -433,8 +435,11 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)

#if USE_DMA
err = nand_dma_init();
- if (err != 0)
+ if (err != 0) {
+ iounmap(bcm_umi_io_base);
+ kfree(board_mtd);
return err;
+ }
#endif

/* Figure out the size of the device that we have.
@@ -466,6 +471,8 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
{
printk(KERN_ERR "NAND - Unrecognized pagesize: %d\n",
board_mtd->writesize);
+ iounmap(bcm_umi_io_base);
+ kfree(board_mtd);
return -EINVAL;
}
}


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