| From: Al Viro <viro@zeniv.linux.org.uk> |
| Date: Sat, 10 Mar 2018 16:40:33 -0500 |
| Subject: [PATCH 14/17] oprofilefs: don't oops on allocation failure |
| |
| Upstream commit a7498968338da9b928f5d8054acc8be6ed2bc14c |
| |
| ... just short-circuit the creation of potential children |
| |
| Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
| Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> |
| --- |
| drivers/oprofile/oprofilefs.c | 3 +++ |
| 1 file changed, 3 insertions(+) |
| |
| --- a/drivers/oprofile/oprofilefs.c |
| +++ b/drivers/oprofile/oprofilefs.c |
| @@ -138,6 +138,9 @@ static int __oprofilefs_create_file(stru |
| struct dentry *dentry; |
| struct inode *inode; |
| |
| + if (!root) |
| + return -ENOMEM; |
| + |
| inode_lock(d_inode(root)); |
| dentry = d_alloc_name(root, name); |
| if (!dentry) { |
