diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-07-24 16:51:18 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-07-24 16:51:18 -0700 |
commit | 53a7ff8fb785839b87f950fd85433d9c662fac89 (patch) | |
tree | 119840a23e5226d3f258e2309b4ef1d328535dd2 /drivers/mtd/nand/nand_base.c | |
parent | 4323418d62fefe48ee5019f2c744c918be06ec69 (diff) | |
parent | 072a7852338af900c302490474939e089f4bd4c4 (diff) |
Merge branch 'bind_unbind' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into next
This brings in devm_device_add_group() and friends so that we can create
driver-specific device attributes as managed resources.
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
-rw-r--r-- | drivers/mtd/nand/nand_base.c | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index d474378ed810..b1dd12729f19 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -202,7 +202,7 @@ static int nand_ooblayout_free_lp_hamming(struct mtd_info *mtd, int section, return 0; } -const struct mtd_ooblayout_ops nand_ooblayout_lp_hamming_ops = { +static const struct mtd_ooblayout_ops nand_ooblayout_lp_hamming_ops = { .ecc = nand_ooblayout_ecc_lp_hamming, .free = nand_ooblayout_free_lp_hamming, }; @@ -4361,7 +4361,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, /* Initialize the ->data_interface field. */ ret = nand_init_data_interface(chip); if (ret) - return ret; + goto err_nand_init; /* * Setup the data interface correctly on the chip and controller side. @@ -4373,7 +4373,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, */ ret = nand_setup_data_interface(chip); if (ret) - return ret; + goto err_nand_init; nand_maf_id = chip->id.data[0]; nand_dev_id = chip->id.data[1]; @@ -4404,6 +4404,12 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, mtd->size = i * chip->chipsize; return 0; + +err_nand_init: + /* Free manufacturer priv data. */ + nand_manufacturer_cleanup(chip); + + return ret; } EXPORT_SYMBOL(nand_scan_ident); @@ -4574,18 +4580,23 @@ int nand_scan_tail(struct mtd_info *mtd) /* New bad blocks should be marked in OOB, flash-based BBT, or both */ if (WARN_ON((chip->bbt_options & NAND_BBT_NO_OOB_BBM) && - !(chip->bbt_options & NAND_BBT_USE_FLASH))) - return -EINVAL; + !(chip->bbt_options & NAND_BBT_USE_FLASH))) { + ret = -EINVAL; + goto err_ident; + } if (invalid_ecc_page_accessors(chip)) { pr_err("Invalid ECC page accessors setup\n"); - return -EINVAL; + ret = -EINVAL; + goto err_ident; } if (!(chip->options & NAND_OWN_BUFFERS)) { nbuf = kzalloc(sizeof(*nbuf), GFP_KERNEL); - if (!nbuf) - return -ENOMEM; + if (!nbuf) { + ret = -ENOMEM; + goto err_ident; + } nbuf->ecccalc = kmalloc(mtd->oobsize, GFP_KERNEL); if (!nbuf->ecccalc) { @@ -4608,8 +4619,10 @@ int nand_scan_tail(struct mtd_info *mtd) chip->buffers = nbuf; } else { - if (!chip->buffers) - return -ENOMEM; + if (!chip->buffers) { + ret = -ENOMEM; + goto err_ident; + } } /* Set the internal oob buffer location, just after the page data */ @@ -4842,7 +4855,11 @@ int nand_scan_tail(struct mtd_info *mtd) return 0; /* Build bad block table */ - return chip->scan_bbt(mtd); + ret = chip->scan_bbt(mtd); + if (ret) + goto err_free; + return 0; + err_free: if (nbuf) { kfree(nbuf->databuf); @@ -4850,6 +4867,13 @@ err_free: kfree(nbuf->ecccalc); kfree(nbuf); } + +err_ident: + /* Clean up nand_scan_ident(). */ + + /* Free manufacturer priv data. */ + nand_manufacturer_cleanup(chip); + return ret; } EXPORT_SYMBOL(nand_scan_tail); |