From: Jan Kara <jack@xxxxxxx> [ Upstream commit f386c802a6fda8f9fe4a5cf418c49aa84dfc52e4 ] Nobody uses the bh returned from udf_expand_dir_adinicb(). Don't return it. Signed-off-by: Jan Kara <jack@xxxxxxx> [cascardo: skip backport of 101ee137d32a ("udf: Drop VARCONV support")] Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/udf/namei.c | 33 +++++++++++++-------------------- 1 file changed, 13 insertions(+), 20 deletions(-) --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -136,8 +136,7 @@ static struct dentry *udf_lookup(struct return d_splice_alias(inode, dentry); } -static struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, - udf_pblk_t *block, int *err) +static int udf_expand_dir_adinicb(struct inode *inode, udf_pblk_t *block) { udf_pblk_t newblock; struct buffer_head *dbh = NULL; @@ -157,23 +156,23 @@ static struct buffer_head *udf_expand_di if (!inode->i_size) { iinfo->i_alloc_type = alloctype; mark_inode_dirty(inode); - return NULL; + return 0; } /* alloc block, and copy data to it */ *block = udf_new_block(inode->i_sb, inode, iinfo->i_location.partitionReferenceNum, - iinfo->i_location.logicalBlockNum, err); + iinfo->i_location.logicalBlockNum, &ret); if (!(*block)) - return NULL; + return ret; newblock = udf_get_pblock(inode->i_sb, *block, iinfo->i_location.partitionReferenceNum, 0); - if (!newblock) - return NULL; + if (newblock == 0xffffffff) + return -EFSCORRUPTED; dbh = udf_tgetblk(inode->i_sb, newblock); if (!dbh) - return NULL; + return -ENOMEM; lock_buffer(dbh); memcpy(dbh->b_data, iinfo->i_data, inode->i_size); memset(dbh->b_data + inode->i_size, 0, @@ -195,9 +194,9 @@ static struct buffer_head *udf_expand_di ret = udf_add_aext(inode, &epos, &eloc, inode->i_size, 0); brelse(epos.bh); if (ret < 0) { - *err = ret; + brelse(dbh); udf_free_blocks(inode->i_sb, inode, &eloc, 0, 1); - return NULL; + return ret; } mark_inode_dirty(inode); @@ -213,6 +212,7 @@ static struct buffer_head *udf_expand_di impuse = NULL; udf_fiiter_write_fi(&iter, impuse); } + brelse(dbh); /* * We don't expect the iteration to fail as the directory has been * already verified to be correct @@ -220,7 +220,7 @@ static struct buffer_head *udf_expand_di WARN_ON_ONCE(ret); udf_fiiter_release(&iter); - return dbh; + return 0; } static int udf_fiiter_add_entry(struct inode *dir, struct dentry *dentry, @@ -266,17 +266,10 @@ static int udf_fiiter_add_entry(struct i } if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB && blksize - udf_ext0_offset(dir) - iter->pos < nfidlen) { - struct buffer_head *retbh; - udf_fiiter_release(iter); - /* - * FIXME: udf_expand_dir_adinicb does not need to return bh - * once other users are gone - */ - retbh = udf_expand_dir_adinicb(dir, &block, &ret); - if (!retbh) + ret = udf_expand_dir_adinicb(dir, &block); + if (ret) return ret; - brelse(retbh); ret = udf_fiiter_init(iter, dir, dir->i_size); if (ret < 0) return ret; Patches currently in stable-queue which might be from cascardo@xxxxxxxxxx are queue-6.1/udf-handle-error-when-expanding-directory.patch queue-6.1/udf-convert-empty_dir-to-new-directory-iteration-code.patch queue-6.1/udf-convert-udf_expand_dir_adinicb-to-new-directory-iteration.patch queue-6.1/udf-convert-udf_unlink-to-new-directory-iteration-code.patch queue-6.1/udf-convert-udf_add_nondir-to-new-directory-iteration.patch queue-6.1/udf-convert-udf_link-to-new-directory-iteration-code.patch queue-6.1/udf-remove-old-directory-iteration-code.patch queue-6.1/udf-don-t-return-bh-from-udf_expand_dir_adinicb.patch queue-6.1/udf-new-directory-iteration-code.patch queue-6.1/udf-convert-udf_rmdir-to-new-directory-iteration-code.patch queue-6.1/udf-move-udf_expand_dir_adinicb-to-its-callsite.patch queue-6.1/udf-convert-udf_readdir-to-new-directory-iteration.patch queue-6.1/udf-convert-udf_mkdir-to-new-directory-iteration-code.patch queue-6.1/udf-provide-function-to-mark-entry-as-deleted-using-new-directory-iteration-code.patch queue-6.1/udf-convert-udf_lookup-to-use-new-directory-iteration-code.patch queue-6.1/udf-implement-adding-of-dir-entries-using-new-iteration-code.patch queue-6.1/udf-convert-udf_rename-to-new-directory-iteration-code.patch queue-6.1/udf-convert-udf_get_parent-to-new-directory-iteration-code.patch queue-6.1/udf-implement-searching-for-directory-entry-using-new-iteration-code.patch