libext2fs: fix missing mutex unlock in an error path of the Unix I/O manager

Originally from https://github.com/tytso/e2fsprogs/pull/68

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/lib/ext2fs/unix_io.c b/lib/ext2fs/unix_io.c
index 64eee34..528c2fb 100644 (file)
--- a/lib/ext2fs/unix_io.c
+++ b/lib/ext2fs/unix_io.c
@@ -398,7 +398,7 @@ static errcode_t raw_write_blk(io_channel channel,
                mutex_lock(data, BOUNCE_MTX);
                if (ext2fs_llseek(data->dev, location, SEEK_SET) < 0) {
                        retval = errno ? errno : EXT2_ET_LLSEEK_FAILED;
-                       goto error_out;
+                       goto error_unlock;
                }
                actual = write(data->dev, buf, size);
                mutex_unlock(data, BOUNCE_MTX);