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authorPaul Mackerras <paulus@samba.org>2005-11-07 19:14:20 -0500
committerPaul Mackerras <paulus@samba.org>2005-11-07 19:14:20 -0500
commit24bfb00123e82a2e70bd115277d922438813515b (patch)
tree27328b8a5718e16d64e2d101f4b7ddcad5930aed /drivers/mtd/inftlmount.c
parentc6135234550ed89a6fd0e8cb229633967e41d649 (diff)
parent3f00d3e8fb963968a922d821a9a53b503b687e81 (diff)
Merge ../linux-2.6
Diffstat (limited to 'drivers/mtd/inftlmount.c')
-rw-r--r--drivers/mtd/inftlmount.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c
index b5dda47395a..43fdc943388 100644
--- a/drivers/mtd/inftlmount.c
+++ b/drivers/mtd/inftlmount.c
@@ -1,14 +1,14 @@
1/* 1/*
2 * inftlmount.c -- INFTL mount code with extensive checks. 2 * inftlmount.c -- INFTL mount code with extensive checks.
3 * 3 *
4 * Author: Greg Ungerer (gerg@snapgear.com) 4 * Author: Greg Ungerer (gerg@snapgear.com)
5 * (C) Copyright 2002-2003, Greg Ungerer (gerg@snapgear.com) 5 * (C) Copyright 2002-2003, Greg Ungerer (gerg@snapgear.com)
6 * 6 *
7 * Based heavily on the nftlmount.c code which is: 7 * Based heavily on the nftlmount.c code which is:
8 * Author: Fabrice Bellard (fabrice.bellard@netgem.com) 8 * Author: Fabrice Bellard (fabrice.bellard@netgem.com)
9 * Copyright (C) 2000 Netgem S.A. 9 * Copyright (C) 2000 Netgem S.A.
10 * 10 *
11 * $Id: inftlmount.c,v 1.16 2004/11/22 13:50:53 kalev Exp $ 11 * $Id: inftlmount.c,v 1.18 2005/11/07 11:14:20 gleixner Exp $
12 * 12 *
13 * This program is free software; you can redistribute it and/or modify 13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by 14 * it under the terms of the GNU General Public License as published by
@@ -41,7 +41,7 @@
41#include <linux/mtd/inftl.h> 41#include <linux/mtd/inftl.h>
42#include <linux/mtd/compatmac.h> 42#include <linux/mtd/compatmac.h>
43 43
44char inftlmountrev[]="$Revision: 1.16 $"; 44char inftlmountrev[]="$Revision: 1.18 $";
45 45
46/* 46/*
47 * find_boot_record: Find the INFTL Media Header and its Spare copy which 47 * find_boot_record: Find the INFTL Media Header and its Spare copy which
@@ -273,7 +273,7 @@ static int find_boot_record(struct INFTLrecord *inftl)
273 inftl->nb_boot_blocks); 273 inftl->nb_boot_blocks);
274 return -1; 274 return -1;
275 } 275 }
276 276
277 inftl->mbd.size = inftl->numvunits * 277 inftl->mbd.size = inftl->numvunits *
278 (inftl->EraseSize / SECTORSIZE); 278 (inftl->EraseSize / SECTORSIZE);
279 279
@@ -302,7 +302,7 @@ static int find_boot_record(struct INFTLrecord *inftl)
302 inftl->nb_blocks * sizeof(u16)); 302 inftl->nb_blocks * sizeof(u16));
303 return -ENOMEM; 303 return -ENOMEM;
304 } 304 }
305 305
306 /* Mark the blocks before INFTL MediaHeader as reserved */ 306 /* Mark the blocks before INFTL MediaHeader as reserved */
307 for (i = 0; i < inftl->nb_boot_blocks; i++) 307 for (i = 0; i < inftl->nb_boot_blocks; i++)
308 inftl->PUtable[i] = BLOCK_RESERVED; 308 inftl->PUtable[i] = BLOCK_RESERVED;
@@ -380,7 +380,7 @@ static int check_free_sectors(struct INFTLrecord *inftl, unsigned int address,
380 * 380 *
381 * Return: 0 when succeed, -1 on error. 381 * Return: 0 when succeed, -1 on error.
382 * 382 *
383 * ToDo: 1. Is it neceressary to check_free_sector after erasing ?? 383 * ToDo: 1. Is it neceressary to check_free_sector after erasing ??
384 */ 384 */
385int INFTL_formatblock(struct INFTLrecord *inftl, int block) 385int INFTL_formatblock(struct INFTLrecord *inftl, int block)
386{ 386{
@@ -563,7 +563,7 @@ int INFTL_mount(struct INFTLrecord *s)
563 /* Search for INFTL MediaHeader and Spare INFTL Media Header */ 563 /* Search for INFTL MediaHeader and Spare INFTL Media Header */
564 if (find_boot_record(s) < 0) { 564 if (find_boot_record(s) < 0) {
565 printk(KERN_WARNING "INFTL: could not find valid boot record?\n"); 565 printk(KERN_WARNING "INFTL: could not find valid boot record?\n");
566 return -1; 566 return -ENXIO;
567 } 567 }
568 568
569 /* Init the logical to physical table */ 569 /* Init the logical to physical table */
@@ -574,6 +574,12 @@ int INFTL_mount(struct INFTLrecord *s)
574 574
575 /* Temporary buffer to store ANAC numbers. */ 575 /* Temporary buffer to store ANAC numbers. */
576 ANACtable = kmalloc(s->nb_blocks * sizeof(u8), GFP_KERNEL); 576 ANACtable = kmalloc(s->nb_blocks * sizeof(u8), GFP_KERNEL);
577 if (!ANACtable) {
578 printk(KERN_WARNING "INFTL: allocation of ANACtable "
579 "failed (%zd bytes)\n",
580 s->nb_blocks * sizeof(u8));
581 return -ENOMEM;
582 }
577 memset(ANACtable, 0, s->nb_blocks); 583 memset(ANACtable, 0, s->nb_blocks);
578 584
579 /* 585 /*
@@ -595,7 +601,7 @@ int INFTL_mount(struct INFTLrecord *s)
595 601
596 for (chain_length = 0; ; chain_length++) { 602 for (chain_length = 0; ; chain_length++) {
597 603
598 if ((chain_length == 0) && 604 if ((chain_length == 0) &&
599 (s->PUtable[block] != BLOCK_NOTEXPLORED)) { 605 (s->PUtable[block] != BLOCK_NOTEXPLORED)) {
600 /* Nothing to do here, onto next block */ 606 /* Nothing to do here, onto next block */
601 break; 607 break;
@@ -742,7 +748,7 @@ int INFTL_mount(struct INFTLrecord *s)
742 "in virtual chain %d\n", 748 "in virtual chain %d\n",
743 s->PUtable[block], logical_block); 749 s->PUtable[block], logical_block);
744 s->PUtable[block] = BLOCK_NIL; 750 s->PUtable[block] = BLOCK_NIL;
745 751
746 } 752 }
747 if (ANACtable[block] != ANAC) { 753 if (ANACtable[block] != ANAC) {
748 /* 754 /*