diff options
| author | Jan Kara | 2022-12-15 14:24:03 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-03-10 09:34:10 +0100 |
| commit | 0e7d8e2991e5f1a8cb58b42826ef849d40718899 (patch) | |
| tree | 32e9148c6e0399c43d0eb822a243421fcacc78ae | |
| parent | 21477427ecb4d1862952082b2bd7a919aff1b6b7 (diff) | |
udf: Truncate added extents on failed expansion
commit 70bfb3a8d661d4fdc742afc061b88a7f3fc9f500 upstream.
When a file expansion failed because we didn't have enough space for
indirect extents make sure we truncate extents created so far so that we
don't leave extents beyond EOF.
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/udf/inode.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c index e92a16435a29..f8908c1f482e 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -526,8 +526,10 @@ static int udf_do_extend_file(struct inode *inode, } if (fake) { - udf_add_aext(inode, last_pos, &last_ext->extLocation, - last_ext->extLength, 1); + err = udf_add_aext(inode, last_pos, &last_ext->extLocation, + last_ext->extLength, 1); + if (err < 0) + goto out_err; count++; } else { struct kernel_lb_addr tmploc; @@ -561,7 +563,7 @@ static int udf_do_extend_file(struct inode *inode, err = udf_add_aext(inode, last_pos, &last_ext->extLocation, last_ext->extLength, 1); if (err) - return err; + goto out_err; count++; } if (new_block_bytes) { @@ -570,7 +572,7 @@ static int udf_do_extend_file(struct inode *inode, err = udf_add_aext(inode, last_pos, &last_ext->extLocation, last_ext->extLength, 1); if (err) - return err; + goto out_err; count++; } @@ -584,6 +586,11 @@ out: return -EIO; return count; +out_err: + /* Remove extents we've created so far */ + udf_clear_extent_cache(inode); + udf_truncate_extents(inode); + return err; } /* Extend the final block of the file to final_block_len bytes */ |