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-rw-r--r--drivers/oprofile/oprofilefs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index d77ebbfc67c9..4ea08979312c 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -138,6 +138,9 @@ static int __oprofilefs_create_file(struct dentry *root, char const *name,
struct dentry *dentry;
struct inode *inode;
+ if (!root)
+ return -ENOMEM;
+
inode_lock(d_inode(root));
dentry = d_alloc_name(root, name);
if (!dentry) {