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-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c11
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0002.c12
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0020.c11
-rw-r--r--drivers/mtd/chips/cfi_util.c11
-rw-r--r--drivers/mtd/chips/sharp.c17
-rw-r--r--drivers/mtd/mtd_blkdevs.c22
-rw-r--r--drivers/mtd/mtdchar.c15
7 files changed, 59 insertions, 40 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 0cfcd88468e0..1e99dffcc6ae 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -4,7 +4,7 @@
*
* (C) 2000 Red Hat. GPL'd
*
- * $Id: cfi_cmdset_0001.c,v 1.178 2005/05/19 17:05:43 nico Exp $
+ * $Id: cfi_cmdset_0001.c,v 1.180 2005/07/20 21:01:13 tpoynor Exp $
*
*
* 10/10/2000 Nicolas Pitre <nico@cam.org>
@@ -252,6 +252,15 @@ read_pri_intelext(struct map_info *map, __u16 adr)
if (!extp)
return NULL;
+ if (extp->MajorVersion != '1' ||
+ (extp->MinorVersion < '0' || extp->MinorVersion > '3')) {
+ printk(KERN_ERR " Unknown Intel/Sharp Extended Query "
+ "version %c.%c.\n", extp->MajorVersion,
+ extp->MinorVersion);
+ kfree(extp);
+ return NULL;
+ }
+
/* Do some byteswapping if necessary */
extp->FeatureSupport = le32_to_cpu(extp->FeatureSupport);
extp->BlkStatusRegMask = le16_to_cpu(extp->BlkStatusRegMask);
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 8505f118f2db..e3d31c749045 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -17,7 +17,7 @@
*
* This code is GPL
*
- * $Id: cfi_cmdset_0002.c,v 1.118 2005/07/04 22:34:29 gleixner Exp $
+ * $Id: cfi_cmdset_0002.c,v 1.120 2005/07/20 21:01:13 tpoynor Exp $
*
*/
@@ -253,6 +253,16 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
return NULL;
}
+ if (extp->MajorVersion != '1' ||
+ (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
+ printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query "
+ "version %c.%c.\n", extp->MajorVersion,
+ extp->MinorVersion);
+ kfree(extp);
+ kfree(mtd);
+ return NULL;
+ }
+
/* Install our own private info structure */
cfi->cmdset_priv = extp;
diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index c894f8801578..d22df2d96788 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -4,7 +4,7 @@
*
* (C) 2000 Red Hat. GPL'd
*
- * $Id: cfi_cmdset_0020.c,v 1.19 2005/07/13 15:52:45 dwmw2 Exp $
+ * $Id: cfi_cmdset_0020.c,v 1.20 2005/07/20 21:01:14 tpoynor Exp $
*
* 10/10/2000 Nicolas Pitre <nico@cam.org>
* - completely revamped method functions so they are aware and
@@ -133,6 +133,15 @@ struct mtd_info *cfi_cmdset_0020(struct map_info *map, int primary)
if (!extp)
return NULL;
+ if (extp->MajorVersion != '1' ||
+ (extp->MinorVersion < '0' || extp->MinorVersion > '3')) {
+ printk(KERN_ERR " Unknown ST Microelectronics"
+ " Extended Query version %c.%c.\n",
+ extp->MajorVersion, extp->MinorVersion);
+ kfree(extp);
+ return NULL;
+ }
+
/* Do some byteswapping if necessary */
extp->FeatureSupport = cfi32_to_cpu(extp->FeatureSupport);
extp->BlkStatusRegMask = cfi32_to_cpu(extp->BlkStatusRegMask);
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index 2b2ede2bfcca..0cf183f01e49 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -7,7 +7,7 @@
*
* This code is covered by the GPL.
*
- * $Id: cfi_util.c,v 1.8 2004/12/14 19:55:56 nico Exp $
+ * $Id: cfi_util.c,v 1.9 2005/07/20 21:01:14 tpoynor Exp $
*
*/
@@ -70,15 +70,6 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
local_irq_enable();
#endif
- if (extp->MajorVersion != '1' ||
- (extp->MinorVersion < '0' || extp->MinorVersion > '3')) {
- printk(KERN_WARNING " Unknown %s Extended Query "
- "version %c.%c.\n", name, extp->MajorVersion,
- extp->MinorVersion);
- kfree(extp);
- extp = NULL;
- }
-
out: return extp;
}
diff --git a/drivers/mtd/chips/sharp.c b/drivers/mtd/chips/sharp.c
index c3cf0f63bc93..08376dbf5d62 100644
--- a/drivers/mtd/chips/sharp.c
+++ b/drivers/mtd/chips/sharp.c
@@ -4,7 +4,7 @@
* Copyright 2000,2001 David A. Schleef <ds@schleef.org>
* 2000,2001 Lineo, Inc.
*
- * $Id: sharp.c,v 1.14 2004/08/09 13:19:43 dwmw2 Exp $
+ * $Id: sharp.c,v 1.15 2005/08/02 20:36:05 tpoynor Exp $
*
* Devices supported:
* LH28F016SCT Symmetrical block flash memory, 2Mx8
@@ -31,6 +31,7 @@
#include <linux/mtd/cfi.h>
#include <linux/delay.h>
#include <linux/init.h>
+#include <linux/slab.h>
#define CMD_RESET 0xffffffff
#define CMD_READ_ID 0x90909090
@@ -214,7 +215,7 @@ static int sharp_probe_map(struct map_info *map,struct mtd_info *mtd)
/* This function returns with the chip->mutex lock held. */
static int sharp_wait(struct map_info *map, struct flchip *chip)
{
- __u16 status;
+ int status, i;
unsigned long timeo = jiffies + HZ;
DECLARE_WAITQUEUE(wait, current);
int adr = 0;
@@ -227,13 +228,11 @@ retry:
map_write32(map,CMD_READ_STATUS,adr);
chip->state = FL_STATUS;
case FL_STATUS:
- status = map_read32(map,adr);
-//printk("status=%08x\n",status);
-
- udelay(100);
- if((status & SR_READY)!=SR_READY){
-//printk(".status=%08x\n",status);
- udelay(100);
+ for(i=0;i<100;i++){
+ status = map_read32(map,adr);
+ if((status & SR_READY)==SR_READY)
+ break;
+ udelay(1);
}
break;
default:
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index f8d2185819e7..d6cb3d194efb 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -1,5 +1,5 @@
/*
- * $Id: mtd_blkdevs.c,v 1.24 2004/11/16 18:28:59 dwmw2 Exp $
+ * $Id: mtd_blkdevs.c,v 1.26 2005/07/29 19:42:04 tpoynor Exp $
*
* (C) 2003 David Woodhouse <dwmw2@infradead.org>
*
@@ -21,7 +21,6 @@
#include <linux/init.h>
#include <asm/semaphore.h>
#include <asm/uaccess.h>
-#include <linux/devfs_fs_kernel.h>
static LIST_HEAD(blktrans_majors);
@@ -290,10 +289,18 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
gd->first_minor = (new->devnum) << tr->part_bits;
gd->fops = &mtd_blktrans_ops;
- snprintf(gd->disk_name, sizeof(gd->disk_name),
- "%s%c", tr->name, (tr->part_bits?'a':'0') + new->devnum);
- snprintf(gd->devfs_name, sizeof(gd->devfs_name),
- "%s/%c", tr->name, (tr->part_bits?'a':'0') + new->devnum);
+ if (tr->part_bits)
+ if (new->devnum < 26)
+ snprintf(gd->disk_name, sizeof(gd->disk_name),
+ "%s%c", tr->name, 'a' + new->devnum);
+ else
+ snprintf(gd->disk_name, sizeof(gd->disk_name),
+ "%s%c%c", tr->name,
+ 'a' - 1 + new->devnum / 26,
+ 'a' + new->devnum % 26);
+ else
+ snprintf(gd->disk_name, sizeof(gd->disk_name),
+ "%s%d", tr->name, new->devnum);
/* 2.5 has capacity in units of 512 bytes while still
having BLOCK_SIZE_BITS set to 10. Just to keep us amused. */
@@ -411,8 +418,6 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
return ret;
}
- devfs_mk_dir(tr->name);
-
INIT_LIST_HEAD(&tr->devs);
list_add(&tr->list, &blktrans_majors);
@@ -445,7 +450,6 @@ int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr)
tr->remove_dev(dev);
}
- devfs_remove(tr->name);
blk_cleanup_queue(tr->blkcore_priv->rq);
unregister_blkdev(tr->major, tr->name);
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 16df1e4fb0e9..8c0d94b72b63 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -1,5 +1,5 @@
/*
- * $Id: mtdchar.c,v 1.73 2005/07/04 17:36:41 gleixner Exp $
+ * $Id: mtdchar.c,v 1.74 2005/08/04 01:05:48 tpoynor Exp $
*
* Character-device access to raw MTD devices.
*
@@ -70,26 +70,23 @@ static loff_t mtd_lseek (struct file *file, loff_t offset, int orig)
switch (orig) {
case 0:
/* SEEK_SET */
- file->f_pos = offset;
break;
case 1:
/* SEEK_CUR */
- file->f_pos += offset;
+ offset += file->f_pos;
break;
case 2:
/* SEEK_END */
- file->f_pos =mtd->size + offset;
+ offset += mtd->size;
break;
default:
return -EINVAL;
}
- if (file->f_pos < 0)
- file->f_pos = 0;
- else if (file->f_pos >= mtd->size)
- file->f_pos = mtd->size - 1;
+ if (offset >= 0 && offset < mtd->size)
+ return file->f_pos = offset;
- return file->f_pos;
+ return -EINVAL;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.