diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index e064f56..76ddae8 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -352,18 +352,18 @@
 	if (!ida_pre_get(&proc_inum_ida, GFP_KERNEL))
 		return -ENOMEM;
 
-	spin_lock_bh(&proc_inum_lock);
+	spin_lock_irq(&proc_inum_lock);
 	error = ida_get_new(&proc_inum_ida, &i);
-	spin_unlock_bh(&proc_inum_lock);
+	spin_unlock_irq(&proc_inum_lock);
 	if (error == -EAGAIN)
 		goto retry;
 	else if (error)
 		return error;
 
 	if (i > UINT_MAX - PROC_DYNAMIC_FIRST) {
-		spin_lock_bh(&proc_inum_lock);
+		spin_lock_irq(&proc_inum_lock);
 		ida_remove(&proc_inum_ida, i);
-		spin_unlock_bh(&proc_inum_lock);
+		spin_unlock_irq(&proc_inum_lock);
 		return -ENOSPC;
 	}
 	*inum = PROC_DYNAMIC_FIRST + i;
@@ -372,9 +372,10 @@
 
 void proc_free_inum(unsigned int inum)
 {
-	spin_lock_bh(&proc_inum_lock);
+	unsigned long flags;
+	spin_lock_irqsave(&proc_inum_lock, flags);
 	ida_remove(&proc_inum_ida, inum - PROC_DYNAMIC_FIRST);
-	spin_unlock_bh(&proc_inum_lock);
+	spin_unlock_irqrestore(&proc_inum_lock, flags);
 }
 
 static void *proc_follow_link(struct dentry *dentry, struct nameidata *nd)