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[JFFS2] Return values of jffs2_block_check_erase error paths

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It looks the error paths in jffs2_block_check_erase() have wrong return 
values. A block that failed to be erased never gets marked as bad.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Anders Grafström 2008-03-12 20:29:23 +01:00 committed by David Woodhouse
parent e43fe686e4
commit 8a0f572397
1 changed files with 6 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

7
fs/jffs2/erase.c
View file

@ -350,9 +350,11 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
break; break;
} while(--retlen); } while(--retlen);
c->mtd->unpoint(c->mtd, ebuf, jeb->offset, c->sector_size); c->mtd->unpoint(c->mtd, ebuf, jeb->offset, c->sector_size);
if (retlen) if (retlen) {
printk(KERN_WARNING "Newly-erased block contained word 0x%lx at offset 0x%08tx\n", printk(KERN_WARNING "Newly-erased block contained word 0x%lx at offset 0x%08tx\n",
*wordebuf, jeb->offset + c->sector_size-retlen*sizeof(*wordebuf)); *wordebuf, jeb->offset + c->sector_size-retlen*sizeof(*wordebuf));
return -EIO;
}
return 0; return 0;
} }
do_flash_read: do_flash_read:
@ -373,10 +375,12 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
ret = c->mtd->read(c->mtd, ofs, readlen, &retlen, ebuf); ret = c->mtd->read(c->mtd, ofs, readlen, &retlen, ebuf);
if (ret) { if (ret) {
printk(KERN_WARNING "Read of newly-erased block at 0x%08x failed: %d. Putting on bad_list\n", ofs, ret); printk(KERN_WARNING "Read of newly-erased block at 0x%08x failed: %d. Putting on bad_list\n", ofs, ret);
ret = -EIO;
goto fail; goto fail;
} }
if (retlen != readlen) { if (retlen != readlen) {
printk(KERN_WARNING "Short read from newly-erased block at 0x%08x. Wanted %d, got %zd\n", ofs, readlen, retlen); printk(KERN_WARNING "Short read from newly-erased block at 0x%08x. Wanted %d, got %zd\n", ofs, readlen, retlen);
ret = -EIO;
goto fail; goto fail;
} }
for (i=0; i<readlen; i += sizeof(unsigned long)) { for (i=0; i<readlen; i += sizeof(unsigned long)) {
@ -385,6 +389,7 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
if (*datum + 1) { if (*datum + 1) {
*bad_offset += i; *bad_offset += i;
printk(KERN_WARNING "Newly-erased block contained word 0x%lx at offset 0x%08x\n", *datum, *bad_offset); printk(KERN_WARNING "Newly-erased block contained word 0x%lx at offset 0x%08x\n", *datum, *bad_offset);
ret = -EIO;
goto fail; goto fail;
} }
} }