diff options
Diffstat (limited to 'fs/udf/directory.c')
| -rw-r--r-- | fs/udf/directory.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/fs/udf/directory.c b/fs/udf/directory.c index 93153665eb37..632453aa3893 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -166,13 +166,19 @@ static struct buffer_head *udf_fiiter_bread_blk(struct udf_fileident_iter *iter) */ static int udf_fiiter_advance_blk(struct udf_fileident_iter *iter) { + int8_t etype = -1; + int err = 0; + iter->loffset++; if (iter->loffset < DIV_ROUND_UP(iter->elen, 1<<iter->dir->i_blkbits)) return 0; iter->loffset = 0; - if (udf_next_aext(iter->dir, &iter->epos, &iter->eloc, &iter->elen, 1) - != (EXT_RECORDED_ALLOCATED >> 30)) { + err = udf_next_aext(iter->dir, &iter->epos, &iter->eloc, + &iter->elen, &etype, 1); + if (err < 0) + return err; + else if (err == 0 || etype != (EXT_RECORDED_ALLOCATED >> 30)) { if (iter->pos == iter->dir->i_size) { iter->elen = 0; return 0; @@ -240,6 +246,7 @@ int udf_fiiter_init(struct udf_fileident_iter *iter, struct inode *dir, { struct udf_inode_info *iinfo = UDF_I(dir); int err = 0; + int8_t etype; iter->dir = dir; iter->bh[0] = iter->bh[1] = NULL; @@ -259,9 +266,9 @@ int udf_fiiter_init(struct udf_fileident_iter *iter, struct inode *dir, goto out; } - if (inode_bmap(dir, iter->pos >> dir->i_blkbits, &iter->epos, - &iter->eloc, &iter->elen, &iter->loffset) != - (EXT_RECORDED_ALLOCATED >> 30)) { + err = inode_bmap(dir, iter->pos >> dir->i_blkbits, &iter->epos, + &iter->eloc, &iter->elen, &iter->loffset, &etype); + if (err <= 0 || etype != (EXT_RECORDED_ALLOCATED >> 30)) { if (pos == dir->i_size) return 0; udf_err(dir->i_sb, @@ -457,6 +464,7 @@ int udf_fiiter_append_blk(struct udf_fileident_iter *iter) sector_t block; uint32_t old_elen = iter->elen; int err; + int8_t etype; if (WARN_ON_ONCE(iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)) return -EINVAL; @@ -471,8 +479,9 @@ int udf_fiiter_append_blk(struct udf_fileident_iter *iter) udf_fiiter_update_elen(iter, old_elen); return err; } - if (inode_bmap(iter->dir, block, &iter->epos, &iter->eloc, &iter->elen, - &iter->loffset) != (EXT_RECORDED_ALLOCATED >> 30)) { + err = inode_bmap(iter->dir, block, &iter->epos, &iter->eloc, &iter->elen, + &iter->loffset, &etype); + if (err <= 0 || etype != (EXT_RECORDED_ALLOCATED >> 30)) { udf_err(iter->dir->i_sb, "block %llu not allocated in directory (ino %lu)\n", (unsigned long long)block, iter->dir->i_ino); |