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Commit c6ca7bc9 authored by David Teigland's avatar David Teigland
Browse files

dlm: remove signal blocking 



The signal blocking was incorrect and unnecessary
so just remove it.

Signed-off-by: default avatarDavid Teigland <teigland@redhat.com>
parent ededf305

fs/dlm/user.c

+6 −19
Original line number Diff line number Diff line
@@ -493,7 +493,6 @@ static ssize_t device_write(struct file *file, const char __user *buf, 
{

	struct dlm_user_proc *proc = file->private_data;

	struct dlm_write_request *kbuf;

	sigset_t tmpsig, allsigs;

	int error;



#ifdef CONFIG_COMPAT
@@ -557,9 +556,6 @@ static ssize_t device_write(struct file *file, const char __user *buf, 
		goto out_free;

	}



	sigfillset(&allsigs);

	sigprocmask(SIG_BLOCK, &allsigs, &tmpsig);



	error = -EINVAL;



	switch (kbuf->cmd)
@@ -567,7 +563,7 @@ static ssize_t device_write(struct file *file, const char __user *buf, 
	case DLM_USER_LOCK:

		if (!proc) {

			log_print("no locking on control device");

			goto out_sig;

			goto out_free;

		}

		error = device_user_lock(proc, &kbuf->i.lock);

		break;
@@ -575,7 +571,7 @@ static ssize_t device_write(struct file *file, const char __user *buf, 
	case DLM_USER_UNLOCK:

		if (!proc) {

			log_print("no locking on control device");

			goto out_sig;

			goto out_free;

		}

		error = device_user_unlock(proc, &kbuf->i.lock);

		break;
@@ -583,7 +579,7 @@ static ssize_t device_write(struct file *file, const char __user *buf, 
	case DLM_USER_DEADLOCK:

		if (!proc) {

			log_print("no locking on control device");

			goto out_sig;

			goto out_free;

		}

		error = device_user_deadlock(proc, &kbuf->i.lock);

		break;
@@ -591,7 +587,7 @@ static ssize_t device_write(struct file *file, const char __user *buf, 
	case DLM_USER_CREATE_LOCKSPACE:

		if (proc) {

			log_print("create/remove only on control device");

			goto out_sig;

			goto out_free;

		}

		error = device_create_lockspace(&kbuf->i.lspace);

		break;
@@ -599,7 +595,7 @@ static ssize_t device_write(struct file *file, const char __user *buf, 
	case DLM_USER_REMOVE_LOCKSPACE:

		if (proc) {

			log_print("create/remove only on control device");

			goto out_sig;

			goto out_free;

		}

		error = device_remove_lockspace(&kbuf->i.lspace);

		break;
@@ -607,7 +603,7 @@ static ssize_t device_write(struct file *file, const char __user *buf, 
	case DLM_USER_PURGE:

		if (!proc) {

			log_print("no locking on control device");

			goto out_sig;

			goto out_free;

		}

		error = device_user_purge(proc, &kbuf->i.purge);

		break;
@@ -617,8 +613,6 @@ static ssize_t device_write(struct file *file, const char __user *buf, 
			  kbuf->cmd);

	}



 out_sig:

	sigprocmask(SIG_SETMASK, &tmpsig, NULL);

 out_free:

	kfree(kbuf);

	return error;
@@ -659,15 +653,11 @@ static int device_close(struct inode *inode, struct file *file) 
{

	struct dlm_user_proc *proc = file->private_data;

	struct dlm_ls *ls;

	sigset_t tmpsig, allsigs;



	ls = dlm_find_lockspace_local(proc->lockspace);

	if (!ls)

		return -ENOENT;



	sigfillset(&allsigs);

	sigprocmask(SIG_BLOCK, &allsigs, &tmpsig);



	set_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags);



	dlm_clear_proc_locks(ls, proc);
@@ -685,9 +675,6 @@ static int device_close(struct inode *inode, struct file *file) 
	/* FIXME: AUTOFREE: if this ls is no longer used do

	   device_remove_lockspace() */



	sigprocmask(SIG_SETMASK, &tmpsig, NULL);

	recalc_sigpending();



	return 0;

}