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OpenCloudOS-Kernel
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UBI: print error code 

Print error code if checking failed which is very useful
to identify problems.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2008-05-14 16:10:33 +03:00
parent 338b9bb3ad
commit 979c9296bd
1 changed files with 21 additions and 18 deletions
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39
drivers/mtd/ubi/vtbl.c
View File

@ -127,7 +127,7 @@ static int vtbl_check(const struct ubi_device *ubi,
const struct ubi_vtbl_record *vtbl)
{
int i, n, reserved_pebs, alignment, data_pad, vol_type, name_len;
int upd_marker;
int upd_marker, err;
uint32_t crc;
const char *name;
@ -153,7 +153,7 @@ static int vtbl_check(const struct ubi_device *ubi,
if (reserved_pebs == 0) {
if (memcmp(&vtbl[i], &empty_vtbl_record,
UBI_VTBL_RECORD_SIZE)) {
dbg_err("bad empty record");
err = 2;
goto bad;
}
continue;
@ -161,56 +161,57 @@ static int vtbl_check(const struct ubi_device *ubi,
if (reserved_pebs < 0 || alignment < 0 || data_pad < 0 ||
name_len < 0) {
dbg_err("negative values");
err = 3;
goto bad;
}
if (alignment > ubi->leb_size || alignment == 0) {
dbg_err("bad alignment");
err = 4;
goto bad;
}
n = alignment % ubi->min_io_size;
if (alignment != 1 && n) {
dbg_err("alignment is not multiple of min I/O unit");
err = 5;
goto bad;
}
n = ubi->leb_size % alignment;
if (data_pad != n) {
dbg_err("bad data_pad, has to be %d", n);
err = 6;
goto bad;
}
if (vol_type != UBI_VID_DYNAMIC && vol_type != UBI_VID_STATIC) {
dbg_err("bad vol_type");
err = 7;
goto bad;
}
if (upd_marker != 0 && upd_marker != 1) {
dbg_err("bad upd_marker");
err = 8;
goto bad;
}
if (reserved_pebs > ubi->good_peb_count) {
dbg_err("too large reserved_pebs, good PEBs %d",
ubi->good_peb_count);
err = 9;
goto bad;
}
if (name_len > UBI_VOL_NAME_MAX) {
dbg_err("too long volume name, max %d",
UBI_VOL_NAME_MAX);
err = 10;
goto bad;
}
if (name[0] == '\0') {
dbg_err("NULL volume name");
err = 11;
goto bad;
}
if (name_len != strnlen(name, name_len + 1)) {
dbg_err("bad name_len");
err = 12;
goto bad;
}
}
@ -235,7 +236,7 @@ static int vtbl_check(const struct ubi_device *ubi,
return 0;
bad:
ubi_err("volume table check failed, record %d", i);
ubi_err("volume table check failed: record %d, error %d", i, err);
ubi_dbg_dump_vtbl_record(&vtbl[i], i);
return -EINVAL;
}
@ -620,30 +621,32 @@ static int init_volumes(struct ubi_device *ubi, const struct ubi_scan_info *si,
static int check_sv(const struct ubi_volume *vol,
const struct ubi_scan_volume *sv)
{
int err;
if (sv->highest_lnum >= vol->reserved_pebs) {
dbg_err("bad highest_lnum");
err = 1;
goto bad;
}
if (sv->leb_count > vol->reserved_pebs) {
dbg_err("bad leb_count");
err = 2;
goto bad;
}
if (sv->vol_type != vol->vol_type) {
dbg_err("bad vol_type");
err = 3;
goto bad;
}
if (sv->used_ebs > vol->reserved_pebs) {
dbg_err("bad used_ebs");
err = 4;
goto bad;
}
if (sv->data_pad != vol->data_pad) {
dbg_err("bad data_pad");
err = 5;
goto bad;
}
return 0;
bad:
ubi_err("bad scanning information");
ubi_err("bad scanning information, error %d", err);
ubi_dbg_dump_sv(sv);
ubi_dbg_dump_vol_info(vol);
return -EINVAL;