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fix locking in efi_secret_unlink()

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We used to need securityfs_remove() to undo simple_pin_fs() done when
the file had been created and to drop the second extra reference
taken at the same time.  Now that neither is needed (or done by
securityfs_remove()), we can simply call simple_unlink() and be done
with that - the broken games with locking had been there only for the
sake of securityfs_remove().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2024-05-14 08:48:58 -06:00
parent e4de726502
commit 2c58d42de7
1 changed files with 1 additions and 9 deletions
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10
drivers/virt/coco/efi_secret/efi_secret.c
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@ -136,15 +136,7 @@ static int efi_secret_unlink(struct inode *dir, struct dentry *dentry)
if (s->fs_files[i] == dentry)
s->fs_files[i] = NULL;
/*
* securityfs_remove tries to lock the directory's inode, but we reach
* the unlink callback when it's already locked
*/
inode_unlock(dir);
securityfs_remove(dentry);
inode_lock(dir);
return 0;
return simple_unlink(inode, dentry);
}
static const struct inode_operations efi_secret_dir_inode_operations = {