| Message ID | 20250203211739.GB1977892@ZenIV (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | fix braino in "9p: fix ->rename_sem exclusion" | expand |
diff --git a/fs/dcache.c b/fs/dcache.c index 903142b324e9..8a605681b26f 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -2967,11 +2967,11 @@ static int __d_unalias(struct dentry *dentry, struct dentry *alias) goto out_err; m2 = &alias->d_parent->d_inode->i_rwsem; out_unalias: - if (alias->d_op->d_unalias_trylock && + if (alias->d_op && alias->d_op->d_unalias_trylock && !alias->d_op->d_unalias_trylock(alias)) goto out_err; __d_move(alias, dentry, false); - if (alias->d_op->d_unalias_unlock) + if (alias->d_op && alias->d_op->d_unalias_unlock) alias->d_op->d_unalias_unlock(alias); ret = 0; out_err:
->d_op can bloody well be NULL Fucked-up-by: Al Viro <viro@zeniv.linux.org.uk> Fixes: 30d61efe118c "9p: fix ->rename_sem exclusion" Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> ---