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-rw-r--r--fs/udf/inode.c4
-rw-r--r--fs/udf/truncate.c8
-rw-r--r--fs/udf/udfdecl.h2
3 files changed, 10 insertions, 4 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index ae796e10f68b..e7276932e433 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1242,8 +1242,10 @@ set_size:
truncate_setsize(inode, newsize);
down_write(&iinfo->i_data_sem);
udf_clear_extent_cache(inode);
- udf_truncate_extents(inode);
+ err = udf_truncate_extents(inode);
up_write(&iinfo->i_data_sem);
+ if (err)
+ return err;
}
update_time:
inode->i_mtime = inode->i_ctime = current_time(inode);
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c
index b647f0bd150c..63a47f1e1d52 100644
--- a/fs/udf/truncate.c
+++ b/fs/udf/truncate.c
@@ -199,7 +199,7 @@ static void udf_update_alloc_ext_desc(struct inode *inode,
* for making file shorter. For making file longer, udf_extend_file() has to
* be used.
*/
-void udf_truncate_extents(struct inode *inode)
+int udf_truncate_extents(struct inode *inode)
{
struct extent_position epos;
struct kernel_lb_addr eloc, neloc = {};
@@ -224,7 +224,7 @@ void udf_truncate_extents(struct inode *inode)
if (etype == -1) {
/* We should extend the file? */
WARN_ON(byte_offset);
- return;
+ return 0;
}
epos.offset -= adsize;
extent_trunc(inode, &epos, &eloc, etype, elen, byte_offset);
@@ -260,6 +260,9 @@ void udf_truncate_extents(struct inode *inode)
epos.block = eloc;
epos.bh = udf_tread(sb,
udf_get_lb_pblock(sb, &eloc, 0));
+ /* Error reading indirect block? */
+ if (!epos.bh)
+ return -EIO;
if (elen)
indirect_ext_len =
(elen + sb->s_blocksize - 1) >>
@@ -283,4 +286,5 @@ void udf_truncate_extents(struct inode *inode)
iinfo->i_lenExtents = inode->i_size;
brelse(epos.bh);
+ return 0;
}
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index ee246769dee4..d89ef71887fc 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -235,7 +235,7 @@ extern struct inode *udf_new_inode(struct inode *, umode_t);
/* truncate.c */
extern void udf_truncate_tail_extent(struct inode *);
extern void udf_discard_prealloc(struct inode *);
-extern void udf_truncate_extents(struct inode *);
+extern int udf_truncate_extents(struct inode *);
/* balloc.c */
extern void udf_free_blocks(struct super_block *, struct inode *,