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UBI: fix check_data_ff return code 

When the data does not contain all 0xFF bytes, 'check_data_ff()' should return
1, not -EINVAL; Also, the caller ('process_eb()') should not add the PEB to the
"corrupted" list if there was a read error.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2010-10-20 11:51:21 +03:00
parent fb22b59b2c
commit df3fca4cdd
1 changed files with 5 additions and 2 deletions
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7
drivers/mtd/ubi/scan.c
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@ -784,7 +784,7 @@ static int check_data_ff(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr,
ubi_dbg_print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1,
ubi->peb_buf1, ubi->leb_size, 1);
mutex_unlock(&ubi->buf_mutex);
return -EINVAL;
return 1;
}
/**
@ -936,7 +936,10 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
* have to check what is in the data area.
*/
err = check_data_ff(ubi, vidh, pnum);
if (!err)
if (err < 0)
return err;
else if (!err)
/* This corruption is caused by a power cut */
err = add_to_list(si, pnum, ec, 1, &si->erase);
else