niansa-misc/linux
1
0
Fork 0
mirror of synced 2025-03-06 20:59:54 +01:00
Code Issues Projects Releases Packages Wiki Activity

fix braino in "9p: fix ->rename_sem exclusion"

Browse source 
->d_op can bloody well be NULL

Fucked-up-by: Al Viro <viro@zeniv.linux.org.uk>
Fixes: 30d61efe11 "9p: fix ->rename_sem exclusion"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2025-02-03 16:16:09 -05:00
parent 30d61efe11
commit 902e09c8ac
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
fs/dcache.c
View file

@ -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: