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authorMike Frysinger <vapier@gentoo.org>2010-08-28 22:42:04 +0200
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-09-13 09:49:03 +0200
commit8b865d5efd9205b131dd9a43a6f450c05d38aaa1 (patch)
treef84291bbbda866bcd86227d5ecc369d52583a7bc
parentmtd: Blackfin NFC: fix build error after nand_scan_ident() change (diff)
downloadlinux-8b865d5efd9205b131dd9a43a6f450c05d38aaa1.tar.xz
linux-8b865d5efd9205b131dd9a43a6f450c05d38aaa1.zip
mtd: Blackfin NFC: fix invalid free in remove()
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 <vapier@gentoo.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
-rw-r--r--drivers/mtd/nand/bf5xx_nand.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c
index 162c5ea2b773..6fbeefa3a766 100644
--- a/drivers/mtd/nand/bf5xx_nand.c
+++ b/drivers/mtd/nand/bf5xx_nand.c
@@ -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);