diff options
Diffstat (limited to 'drivers/mtd/devices/docg3.c')
-rw-r--r-- | drivers/mtd/devices/docg3.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 866d31904475..5e67b4acde78 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -1815,7 +1815,7 @@ static void doc_dbg_unregister(struct docg3 *docg3) * @chip_id: The chip ID of the supported chip * @mtd: The structure to fill */ -static void __init doc_set_driver_info(int chip_id, struct mtd_info *mtd) +static int __init doc_set_driver_info(int chip_id, struct mtd_info *mtd) { struct docg3 *docg3 = mtd->priv; int cfg; @@ -1828,6 +1828,8 @@ static void __init doc_set_driver_info(int chip_id, struct mtd_info *mtd) case DOC_CHIPID_G3: mtd->name = kasprintf(GFP_KERNEL, "docg3.%d", docg3->device_id); + if (!mtd->name) + return -ENOMEM; docg3->max_block = 2047; break; } @@ -1850,6 +1852,8 @@ static void __init doc_set_driver_info(int chip_id, struct mtd_info *mtd) mtd->_block_isbad = doc_block_isbad; mtd->ecclayout = &docg3_oobinfo; mtd->ecc_strength = DOC_ECC_BCH_T; + + return 0; } /** @@ -1900,7 +1904,7 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev) ret = 0; if (chip_id != (u16)(~chip_id_inv)) { - goto nomem3; + goto nomem4; } switch (chip_id) { @@ -1910,15 +1914,19 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev) break; default: doc_err("Chip id %04x is not a DiskOnChip G3 chip\n", chip_id); - goto nomem3; + goto nomem4; } - doc_set_driver_info(chip_id, mtd); + ret = doc_set_driver_info(chip_id, mtd); + if (ret) + goto nomem4; doc_hamming_ecc_init(docg3, DOC_LAYOUT_OOB_PAGEINFO_SZ); doc_reload_bbt(docg3); return mtd; +nomem4: + kfree(docg3->bbt); nomem3: kfree(mtd); nomem2: @@ -2117,7 +2125,7 @@ static int docg3_release(struct platform_device *pdev) } #ifdef CONFIG_OF -static struct of_device_id docg3_dt_ids[] = { +static const struct of_device_id docg3_dt_ids[] = { { .compatible = "m-systems,diskonchip-g3" }, {} }; |