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authorAl Viro <viro@zeniv.linux.org.uk>2018-03-11 00:40:33 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2018-03-29 22:07:48 +0300
commita7498968338da9b928f5d8054acc8be6ed2bc14c (patch)
tree393c9f7d6ef8fbf4fa3f71c8e90b3a8ef9a80e09 /drivers/oprofile
parent5bf1ddf7ee0e23598a620ef9ea2b0f00e804859d (diff)
downloadlinux-a7498968338da9b928f5d8054acc8be6ed2bc14c.tar.xz
oprofilefs: don't oops on allocation failure
... just short-circuit the creation of potential children Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/oprofile')
-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) {