infiniband-ucma: BKL pushdown

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
git-mirror · Jun 20, 2008 · 6b0ee36 · 6b0ee36
1 parent a9c4e8f
commit 6b0ee36
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
@@ -38,6 +38,7 @@
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
 
 #include <rdma/rdma_user_cm.h>
 #include <rdma/ib_marshall.h>
@@ -1156,13 +1157,15 @@ static int ucma_open(struct inode *inode, struct file *filp)
 	if (!file)
 		return -ENOMEM;
 
+	lock_kernel();
 	INIT_LIST_HEAD(&file->event_list);
 	INIT_LIST_HEAD(&file->ctx_list);
 	init_waitqueue_head(&file->poll_wait);
 	mutex_init(&file->mut);
 
 	filp->private_data = file;
 	file->filp = filp;
+	unlock_kernel();
 	return 0;
 }