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| author | Jan Kara <jack@suse.cz> | 2022-12-15 14:24:03 +0100 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2023-01-09 10:39:52 +0100 |
| commit | 70bfb3a8d661d4fdc742afc061b88a7f3fc9f500 (patch) | |
| tree | cc79d5d25bcf2af84501fbc2ad437f1ade58faa9 /fs/udf/inode.c | |
| parent | 1e0290d61a870ed61a6510863029939bbf6b0006 (diff) | |
| download | linux-stable-70bfb3a8d661d4fdc742afc061b88a7f3fc9f500.tar.gz linux-stable-70bfb3a8d661d4fdc742afc061b88a7f3fc9f500.tar.bz2 linux-stable-70bfb3a8d661d4fdc742afc061b88a7f3fc9f500.zip | |
udf: Truncate added extents on failed expansion
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>
Diffstat (limited to 'fs/udf/inode.c')
| -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 9655fc014c7a..e077183e2ee3 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -431,8 +431,10 @@ 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; @@ -466,7 +468,7 @@ 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) { @@ -475,7 +477,7 @@ 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++; } @@ -489,6 +491,11 @@ 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 */ |