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mtd: Blackfin NFC: fix invalid free in remove()

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Since info->mtd isn't dynamically allocated, we shouldn't attempt to
kfree() it.  Otherwise we get random fun corruption when unloading
the driver built as a module.

Signed-off-by: Mike Frysinger <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: David Woodhouse <[email protected]>
This commit is contained in:
Mike Frysinger 2010-08-28 16:42:04 -04:00 • committed by David Woodhouse
commit 8b865d5efd
1 changed files with 1 additions and 6 deletions
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7
drivers/mtd/nand/bf5xx_nand.c
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@ -682,7 +682,6 @@ static int __devinit bf5xx_nand_add_partition(struct bf5xx_nand_info *info)
static int __devexit bf5xx_nand_remove(struct platform_device *pdev)
{
struct bf5xx_nand_info *info = to_nand_info(pdev);
struct mtd_info *mtd = NULL;
platform_set_drvdata(pdev, NULL);
@ -690,11 +689,7 @@ static int __devexit bf5xx_nand_remove(struct platform_device *pdev)
* and their partitions, then go through freeing the
* resources used
*/
mtd = &info->mtd;
if (mtd) {
nand_release(mtd);
kfree(mtd);
}
nand_release(&info->mtd);
peripheral_free_list(bfin_nfc_pin_req);
bf5xx_nand_dma_remove(info);