1 files changed, 5 insertions, 2 deletions

diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index f1201ac8a116..4ad97b3b39dc 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -38,6 +38,7 @@
 #include <linux/pagemap.h>
 #include <linux/mount.h>
 #include <linux/bitops.h>
+#include <linux/rcupdate.h>
 
 #include <asm/errno.h>
 #include <asm/intrinsics.h>
@@ -2217,15 +2218,17 @@ static void
 pfm_free_fd(int fd, struct file *file)
 {
         struct files_struct *files = current->files;
+        struct fdtable *fdt = files_fdtable(files);
 
         /* 
          * there ie no fd_uninstall(), so we do it here
          */
         spin_lock(&files->file_lock);
-        files->fd[fd] = NULL;
+        rcu_assign_pointer(fdt->fd[fd], NULL);
         spin_unlock(&files->file_lock);
 
-        if (file) put_filp(file);
+        if (file)
+                put_filp(file);
         put_unused_fd(fd);
 }