[MTD] [NAND] Replace -1 with -EBADMSG in nand error correction code

[~andy/linux] / drivers / mtd / nand / diskonchip.c

diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index 6107f532855b8d4dbb901ff83c721e76a0b59af2..0e72153b329736000e4c43abfc76038b725d5959 100644 (file)
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -56,11 +56,6 @@ static unsigned long __initdata doc_locations[] = {
 #endif /*  CONFIG_MTD_DOCPROBE_HIGH */
 #elif defined(__PPC__)
        0xe4000000,
-#elif defined(CONFIG_MOMENCO_OCELOT)
-       0x2f000000,
-       0xff000000,
-#elif defined(CONFIG_MOMENCO_OCELOT_G) || defined (CONFIG_MOMENCO_OCELOT_C)
-       0xff000000,
 #else
 #warning Unknown architecture for DiskOnChip. No default probe locations defined
 #endif
@@ -114,7 +109,7 @@ module_param(no_autopart, int, 0);
 static int show_firmware_partition = 0;
 module_param(show_firmware_partition, int, 0);
 
-#ifdef MTD_NAND_DISKONCHIP_BBTWRITE
+#ifdef CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE
 static int inftl_bbt_write = 1;
 #else
 static int inftl_bbt_write = 0;
@@ -225,7 +220,7 @@ static int doc_ecc_decode(struct rs_control *rs, uint8_t *data, uint8_t *ecc)
                }
        }
        /* If the parity is wrong, no rescue possible */
-       return parity ? -1 : nerr;
+       return parity ? -EBADMSG : nerr;
 }
 
 static void DoC_Delay(struct doc_priv *doc, unsigned short cycles)
@@ -1039,7 +1034,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat,
                WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
        else
                WriteDOC(DOC_ECC_DIS, docptr, ECCConf);
-       if (no_ecc_failures && (ret == -1)) {
+       if (no_ecc_failures && (ret == -EBADMSG)) {
                printk(KERN_ERR "suppressing ECC failure\n");
                ret = 0;
        }
@@ -1635,13 +1630,12 @@ static int __init doc_probe(unsigned long physadr)
 
        len = sizeof(struct mtd_info) +
            sizeof(struct nand_chip) + sizeof(struct doc_priv) + (2 * sizeof(struct nand_bbt_descr));
-       mtd = kmalloc(len, GFP_KERNEL);
+       mtd = kzalloc(len, GFP_KERNEL);
        if (!mtd) {
                printk(KERN_ERR "DiskOnChip kmalloc (%d bytes) failed!\n", len);
                ret = -ENOMEM;
                goto fail;
        }
-       memset(mtd, 0, len);
 
        nand                    = (struct nand_chip *) (mtd + 1);
        doc                     = (struct doc_priv *) (nand + 1);