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| author | Libo Chen <clbchenlibo.chen@huawei.com> | 2013-05-30 10:22:12 +0800 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2013-08-30 21:52:10 +0100 |
| commit | d2b1bd1422d9385cc5f463e3cc6ea0cbe7e98b70 (patch) | |
| tree | 360348d1739af5da7b88c475545627bad7bfc52c | |
| parent | ebc6e4b6525872498fb01f5ad9c29a81b9d49831 (diff) | |
| download | linux-d2b1bd1422d9385cc5f463e3cc6ea0cbe7e98b70.tar.gz linux-d2b1bd1422d9385cc5f463e3cc6ea0cbe7e98b70.tar.bz2 linux-d2b1bd1422d9385cc5f463e3cc6ea0cbe7e98b70.zip | |
mtd: bcm47xxsflash: convert kzalloc to avoid invalid access
mtd is just member of bcm47xxsflash, so we should free bcm47xxsflash not
its member. So I use devm_kazlloc instead of kazlloc to avoid it.
* Changelog:
convert to devm_kzalloc
Signed-off-by: Libo chen <libo.chen@huawei.com>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
[Brian: fixed conflicts]
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/mtd/devices/bcm47xxsflash.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/mtd/devices/bcm47xxsflash.c b/drivers/mtd/devices/bcm47xxsflash.c index 2060856dbf97..fa56a47a598d 100644 --- a/drivers/mtd/devices/bcm47xxsflash.c +++ b/drivers/mtd/devices/bcm47xxsflash.c @@ -117,11 +117,9 @@ static int bcm47xxsflash_bcma_probe(struct platform_device *pdev) struct bcm47xxsflash *b47s; int err; - b47s = kzalloc(sizeof(*b47s), GFP_KERNEL); - if (!b47s) { - err = -ENOMEM; - goto out; - } + b47s = devm_kzalloc(&pdev->dev, sizeof(*b47s), GFP_KERNEL); + if (!b47s) + return -ENOMEM; sflash->priv = b47s; b47s->bcma_cc = container_of(sflash, struct bcma_drv_cc, sflash); @@ -146,18 +144,13 @@ static int bcm47xxsflash_bcma_probe(struct platform_device *pdev) err = mtd_device_parse_register(&b47s->mtd, probes, NULL, NULL, 0); if (err) { pr_err("Failed to register MTD device: %d\n", err); - goto err_dev_reg; + return err; } if (bcm47xxsflash_poll(b47s, HZ / 10)) pr_warn("Serial flash busy\n"); return 0; - -err_dev_reg: - kfree(&b47s->mtd); -out: - return err; } static int bcm47xxsflash_bcma_remove(struct platform_device *pdev) @@ -166,7 +159,6 @@ static int bcm47xxsflash_bcma_remove(struct platform_device *pdev) struct bcm47xxsflash *b47s = sflash->priv; mtd_device_unregister(&b47s->mtd); - kfree(b47s); return 0; } |