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-rw-r--r--drivers/infiniband/core/ucm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 3e6a8ff6d76..b25675faaaf 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -45,6 +45,7 @@
#include <linux/cdev.h>
#include <linux/idr.h>
#include <linux/mutex.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
@@ -1155,11 +1156,11 @@ static unsigned int ib_ucm_poll(struct file *filp,
return mask;
}
-/* No BKL needed here: no global resources used */
static int ib_ucm_open(struct inode *inode, struct file *filp)
{
struct ib_ucm_file *file;
+ cycle_kernel_lock();
file = kmalloc(sizeof(*file), GFP_KERNEL);
if (!file)
return -ENOMEM;