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Merge branch 'upstream' of git://git.infradead.org/~dedekind/ubi-2.6
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* 'upstream' of git://git.infradead.org/~dedekind/ubi-2.6: (28 commits)
  UBI: fix compile warning
  UBI: fix error handling in erase worker
  UBI: fix comments
  UBI: remove unneeded error checks
  UBI: cleanup usage of try_module_get
  UBI: fix overflow bug
  UBI: bugfix in max_sqnum calculation
  UBI: bugfix in sqnum calculation
  UBI: fix signed-unsigned multiplication
  UBI: fix bug in atomic_leb_change()
  UBI: fix message
  UBI: fix debugging stuff
  UBI: bugfix in error path
  UBI: use is_power_of_2()
  UBI: fix freeing ubi->vtbl while unloading
  UBI: fix MAINTAINERS
  UBI: bugfix in ubi_leb_change()
  UBI: kill homegrown endian macros
  UBI: cleanup ioctl handling
  UBI: error path bugfix
  ...
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Linus Torvalds committed Jul 18, 2007
2 parents 485cf92 + add0b43 commit cdf4a64
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Showing 18 changed files with 403 additions and 400 deletions.
2 changes: 1 addition & 1 deletion MAINTAINERS
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Original file line number Diff line number Diff line change
Expand Up @@ -2393,7 +2393,7 @@ P: Artem Bityutskiy
M: [email protected]
W: http://www.linux-mtd.infradead.org/
L: [email protected]
T: git git://git.infradead.org/ubi-2.6.git
T: git git://git.infradead.org/~dedekind/ubi-2.6.git
S: Maintained

MICROTEK X6 SCANNER
Expand Down
25 changes: 7 additions & 18 deletions drivers/mtd/ubi/build.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@
#include <linux/moduleparam.h>
#include <linux/stringify.h>
#include <linux/stat.h>
#include <linux/log2.h>
#include "ubi.h"

/* Maximum length of the 'mtd=' parameter */
Expand Down Expand Up @@ -369,7 +370,7 @@ static int attach_by_scanning(struct ubi_device *ubi)
out_wl:
ubi_wl_close(ubi);
out_vtbl:
kfree(ubi->vtbl);
vfree(ubi->vtbl);
out_si:
ubi_scan_destroy_si(si);
return err;
Expand Down Expand Up @@ -422,8 +423,7 @@ static int io_init(struct ubi_device *ubi)
ubi->hdrs_min_io_size = ubi->mtd->writesize >> ubi->mtd->subpage_sft;

/* Make sure minimal I/O unit is power of 2 */
if (ubi->min_io_size == 0 ||
(ubi->min_io_size & (ubi->min_io_size - 1))) {
if (!is_power_of_2(ubi->min_io_size)) {
ubi_err("bad min. I/O unit");
return -EINVAL;
}
Expand Down Expand Up @@ -593,8 +593,6 @@ static int attach_mtd_dev(const char *mtd_dev, int vid_hdr_offset,
if (err)
goto out_detach;

ubi_devices_cnt += 1;

ubi_msg("attached mtd%d to ubi%d", ubi->mtd->index, ubi_devices_cnt);
ubi_msg("MTD device name: \"%s\"", ubi->mtd->name);
ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20);
Expand Down Expand Up @@ -624,12 +622,13 @@ static int attach_mtd_dev(const char *mtd_dev, int vid_hdr_offset,
wake_up_process(ubi->bgt_thread);
}

ubi_devices_cnt += 1;
return 0;

out_detach:
ubi_eba_close(ubi);
ubi_wl_close(ubi);
kfree(ubi->vtbl);
vfree(ubi->vtbl);
out_free:
kfree(ubi);
out_mtd:
Expand All @@ -650,7 +649,7 @@ static void detach_mtd_dev(struct ubi_device *ubi)
uif_close(ubi);
ubi_eba_close(ubi);
ubi_wl_close(ubi);
kfree(ubi->vtbl);
vfree(ubi->vtbl);
put_mtd_device(ubi->mtd);
kfree(ubi_devices[ubi_num]);
ubi_devices[ubi_num] = NULL;
Expand Down Expand Up @@ -686,13 +685,6 @@ static int __init ubi_init(void)
struct mtd_dev_param *p = &mtd_dev_param[i];

cond_resched();

if (!p->name) {
dbg_err("empty name");
err = -EINVAL;
goto out_detach;
}

err = attach_mtd_dev(p->name, p->vid_hdr_offs, p->data_offs);
if (err)
goto out_detach;
Expand Down Expand Up @@ -799,7 +791,7 @@ static int __init ubi_mtd_param_parse(const char *val, struct kernel_param *kp)

/* Get rid of the final newline */
if (buf[len - 1] == '\n')
buf[len - 1] = 0;
buf[len - 1] = '\0';

for (i = 0; i < 3; i++)
tokens[i] = strsep(&pbuf, ",");
Expand All @@ -809,9 +801,6 @@ static int __init ubi_mtd_param_parse(const char *val, struct kernel_param *kp)
return -EINVAL;
}

if (tokens[0] == '\0')
return -EINVAL;

p = &mtd_dev_param[mtd_devs];
strcpy(&p->name[0], tokens[0]);

Expand Down
49 changes: 14 additions & 35 deletions drivers/mtd/ubi/cdev.c
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,7 @@ static struct ubi_device *major_to_device(int major)
if (ubi_devices[i] && ubi_devices[i]->major == major)
return ubi_devices[i];
BUG();
return NULL;
}

/**
Expand Down Expand Up @@ -153,7 +154,7 @@ static int vol_cdev_release(struct inode *inode, struct file *file)
ubi_warn("update of volume %d not finished, volume is damaged",
vol->vol_id);
vol->updating = 0;
kfree(vol->upd_buf);
vfree(vol->upd_buf);
}

ubi_close_volume(desc);
Expand Down Expand Up @@ -232,7 +233,7 @@ static ssize_t vol_cdev_read(struct file *file, __user char *buf, size_t count,
tbuf_size = vol->usable_leb_size;
if (count < tbuf_size)
tbuf_size = ALIGN(count, ubi->min_io_size);
tbuf = kmalloc(tbuf_size, GFP_KERNEL);
tbuf = vmalloc(tbuf_size);
if (!tbuf)
return -ENOMEM;

Expand Down Expand Up @@ -271,7 +272,7 @@ static ssize_t vol_cdev_read(struct file *file, __user char *buf, size_t count,
len = count > tbuf_size ? tbuf_size : count;
} while (count);

kfree(tbuf);
vfree(tbuf);
return err ? err : count_save - count;
}

Expand Down Expand Up @@ -320,7 +321,7 @@ static ssize_t vol_cdev_direct_write(struct file *file, const char __user *buf,
tbuf_size = vol->usable_leb_size;
if (count < tbuf_size)
tbuf_size = ALIGN(count, ubi->min_io_size);
tbuf = kmalloc(tbuf_size, GFP_KERNEL);
tbuf = vmalloc(tbuf_size);
if (!tbuf)
return -ENOMEM;

Expand Down Expand Up @@ -355,7 +356,7 @@ static ssize_t vol_cdev_direct_write(struct file *file, const char __user *buf,
len = count > tbuf_size ? tbuf_size : count;
}

kfree(tbuf);
vfree(tbuf);
return err ? err : count_save - count;
}

Expand Down Expand Up @@ -397,6 +398,7 @@ static ssize_t vol_cdev_write(struct file *file, const char __user *buf,
vol->corrupted = 1;
}
vol->checked = 1;
ubi_gluebi_updated(vol);
revoke_exclusive(desc, UBI_READWRITE);
}

Expand All @@ -413,19 +415,7 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file,
struct ubi_device *ubi = vol->ubi;
void __user *argp = (void __user *)arg;

if (_IOC_NR(cmd) > VOL_CDEV_IOC_MAX_SEQ ||
_IOC_TYPE(cmd) != UBI_VOL_IOC_MAGIC)
return -ENOTTY;

if (_IOC_DIR(cmd) && _IOC_READ)
err = !access_ok(VERIFY_WRITE, argp, _IOC_SIZE(cmd));
else if (_IOC_DIR(cmd) && _IOC_WRITE)
err = !access_ok(VERIFY_READ, argp, _IOC_SIZE(cmd));
if (err)
return -EFAULT;

switch (cmd) {

/* Volume update command */
case UBI_IOCVOLUP:
{
Expand Down Expand Up @@ -471,7 +461,7 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file,
{
int32_t lnum;

err = __get_user(lnum, (__user int32_t *)argp);
err = get_user(lnum, (__user int32_t *)argp);
if (err) {
err = -EFAULT;
break;
Expand Down Expand Up @@ -587,17 +577,6 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file,
struct ubi_volume_desc *desc;
void __user *argp = (void __user *)arg;

if (_IOC_NR(cmd) > UBI_CDEV_IOC_MAX_SEQ ||
_IOC_TYPE(cmd) != UBI_IOC_MAGIC)
return -ENOTTY;

if (_IOC_DIR(cmd) && _IOC_READ)
err = !access_ok(VERIFY_WRITE, argp, _IOC_SIZE(cmd));
else if (_IOC_DIR(cmd) && _IOC_WRITE)
err = !access_ok(VERIFY_READ, argp, _IOC_SIZE(cmd));
if (err)
return -EFAULT;

if (!capable(CAP_SYS_RESOURCE))
return -EPERM;

Expand All @@ -612,7 +591,7 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file,
struct ubi_mkvol_req req;

dbg_msg("create volume");
err = __copy_from_user(&req, argp,
err = copy_from_user(&req, argp,
sizeof(struct ubi_mkvol_req));
if (err) {
err = -EFAULT;
Expand All @@ -629,7 +608,7 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file,
if (err)
break;

err = __put_user(req.vol_id, (__user int32_t *)argp);
err = put_user(req.vol_id, (__user int32_t *)argp);
if (err)
err = -EFAULT;

Expand All @@ -642,7 +621,7 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file,
int vol_id;

dbg_msg("remove volume");
err = __get_user(vol_id, (__user int32_t *)argp);
err = get_user(vol_id, (__user int32_t *)argp);
if (err) {
err = -EFAULT;
break;
Expand All @@ -669,7 +648,7 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file,
struct ubi_rsvol_req req;

dbg_msg("re-size volume");
err = __copy_from_user(&req, argp,
err = copy_from_user(&req, argp,
sizeof(struct ubi_rsvol_req));
if (err) {
err = -EFAULT;
Expand Down Expand Up @@ -707,7 +686,7 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file,
struct file_operations ubi_cdev_operations = {
.owner = THIS_MODULE,
.ioctl = ubi_cdev_ioctl,
.llseek = no_llseek
.llseek = no_llseek,
};

/* UBI volume character device operations */
Expand All @@ -718,5 +697,5 @@ struct file_operations ubi_vol_cdev_operations = {
.llseek = vol_cdev_llseek,
.read = vol_cdev_read,
.write = vol_cdev_write,
.ioctl = vol_cdev_ioctl
.ioctl = vol_cdev_ioctl,
};
44 changes: 22 additions & 22 deletions drivers/mtd/ubi/debug.c
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Original file line number Diff line number Diff line change
Expand Up @@ -35,12 +35,12 @@
void ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr)
{
dbg_msg("erase counter header dump:");
dbg_msg("magic %#08x", ubi32_to_cpu(ec_hdr->magic));
dbg_msg("magic %#08x", be32_to_cpu(ec_hdr->magic));
dbg_msg("version %d", (int)ec_hdr->version);
dbg_msg("ec %llu", (long long)ubi64_to_cpu(ec_hdr->ec));
dbg_msg("vid_hdr_offset %d", ubi32_to_cpu(ec_hdr->vid_hdr_offset));
dbg_msg("data_offset %d", ubi32_to_cpu(ec_hdr->data_offset));
dbg_msg("hdr_crc %#08x", ubi32_to_cpu(ec_hdr->hdr_crc));
dbg_msg("ec %llu", (long long)be64_to_cpu(ec_hdr->ec));
dbg_msg("vid_hdr_offset %d", be32_to_cpu(ec_hdr->vid_hdr_offset));
dbg_msg("data_offset %d", be32_to_cpu(ec_hdr->data_offset));
dbg_msg("hdr_crc %#08x", be32_to_cpu(ec_hdr->hdr_crc));
dbg_msg("erase counter header hexdump:");
ubi_dbg_hexdump(ec_hdr, UBI_EC_HDR_SIZE);
}
Expand All @@ -52,20 +52,20 @@ void ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr)
void ubi_dbg_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr)
{
dbg_msg("volume identifier header dump:");
dbg_msg("magic %08x", ubi32_to_cpu(vid_hdr->magic));
dbg_msg("magic %08x", be32_to_cpu(vid_hdr->magic));
dbg_msg("version %d", (int)vid_hdr->version);
dbg_msg("vol_type %d", (int)vid_hdr->vol_type);
dbg_msg("copy_flag %d", (int)vid_hdr->copy_flag);
dbg_msg("compat %d", (int)vid_hdr->compat);
dbg_msg("vol_id %d", ubi32_to_cpu(vid_hdr->vol_id));
dbg_msg("lnum %d", ubi32_to_cpu(vid_hdr->lnum));
dbg_msg("leb_ver %u", ubi32_to_cpu(vid_hdr->leb_ver));
dbg_msg("data_size %d", ubi32_to_cpu(vid_hdr->data_size));
dbg_msg("used_ebs %d", ubi32_to_cpu(vid_hdr->used_ebs));
dbg_msg("data_pad %d", ubi32_to_cpu(vid_hdr->data_pad));
dbg_msg("vol_id %d", be32_to_cpu(vid_hdr->vol_id));
dbg_msg("lnum %d", be32_to_cpu(vid_hdr->lnum));
dbg_msg("leb_ver %u", be32_to_cpu(vid_hdr->leb_ver));
dbg_msg("data_size %d", be32_to_cpu(vid_hdr->data_size));
dbg_msg("used_ebs %d", be32_to_cpu(vid_hdr->used_ebs));
dbg_msg("data_pad %d", be32_to_cpu(vid_hdr->data_pad));
dbg_msg("sqnum %llu",
(unsigned long long)ubi64_to_cpu(vid_hdr->sqnum));
dbg_msg("hdr_crc %08x", ubi32_to_cpu(vid_hdr->hdr_crc));
(unsigned long long)be64_to_cpu(vid_hdr->sqnum));
dbg_msg("hdr_crc %08x", be32_to_cpu(vid_hdr->hdr_crc));
dbg_msg("volume identifier header hexdump:");
}

Expand All @@ -91,7 +91,7 @@ void ubi_dbg_dump_vol_info(const struct ubi_volume *vol)

if (vol->name_len <= UBI_VOL_NAME_MAX &&
strnlen(vol->name, vol->name_len + 1) == vol->name_len) {
dbg_msg("name %s", vol->name);
dbg_msg("name %s", vol->name);
} else {
dbg_msg("the 1st 5 characters of the name: %c%c%c%c%c",
vol->name[0], vol->name[1], vol->name[2],
Expand All @@ -106,30 +106,30 @@ void ubi_dbg_dump_vol_info(const struct ubi_volume *vol)
*/
void ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx)
{
int name_len = ubi16_to_cpu(r->name_len);
int name_len = be16_to_cpu(r->name_len);

dbg_msg("volume table record %d dump:", idx);
dbg_msg("reserved_pebs %d", ubi32_to_cpu(r->reserved_pebs));
dbg_msg("alignment %d", ubi32_to_cpu(r->alignment));
dbg_msg("data_pad %d", ubi32_to_cpu(r->data_pad));
dbg_msg("reserved_pebs %d", be32_to_cpu(r->reserved_pebs));
dbg_msg("alignment %d", be32_to_cpu(r->alignment));
dbg_msg("data_pad %d", be32_to_cpu(r->data_pad));
dbg_msg("vol_type %d", (int)r->vol_type);
dbg_msg("upd_marker %d", (int)r->upd_marker);
dbg_msg("name_len %d", name_len);

if (r->name[0] == '\0') {
dbg_msg("name NULL");
dbg_msg("name NULL");
return;
}

if (name_len <= UBI_VOL_NAME_MAX &&
strnlen(&r->name[0], name_len + 1) == name_len) {
dbg_msg("name %s", &r->name[0]);
dbg_msg("name %s", &r->name[0]);
} else {
dbg_msg("1st 5 characters of the name: %c%c%c%c%c",
r->name[0], r->name[1], r->name[2], r->name[3],
r->name[4]);
}
dbg_msg("crc %#08x", ubi32_to_cpu(r->crc));
dbg_msg("crc %#08x", be32_to_cpu(r->crc));
}

/**
Expand Down
2 changes: 0 additions & 2 deletions drivers/mtd/ubi/debug.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,6 @@ struct ubi_scan_volume;
struct ubi_scan_leb;
struct ubi_mkvol_req;

void ubi_dbg_print(int type, const char *func, const char *fmt, ...);
void ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr);
void ubi_dbg_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr);
void ubi_dbg_dump_vol_info(const struct ubi_volume *vol);
Expand All @@ -66,7 +65,6 @@ void ubi_dbg_hexdump(const void *buf, int size);

#define dbg_msg(fmt, ...) ({})
#define ubi_dbg_dump_stack() ({})
#define ubi_dbg_print(func, fmt, ...) ({})
#define ubi_dbg_dump_ec_hdr(ec_hdr) ({})
#define ubi_dbg_dump_vid_hdr(vid_hdr) ({})
#define ubi_dbg_dump_vol_info(vol) ({})
Expand Down
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