From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/mm/damon/dbgfs.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/kernel/mm/damon/dbgfs.c b/kernel/mm/damon/dbgfs.c
index f2772fc..819c337 100644
--- a/kernel/mm/damon/dbgfs.c
+++ b/kernel/mm/damon/dbgfs.c
@@ -785,6 +785,7 @@
static int dbgfs_rm_context(char *name)
{
struct dentry *root, *dir, **new_dirs;
+ struct inode *inode;
struct damon_ctx **new_ctxs;
int i, j;
int ret = 0;
@@ -800,6 +801,12 @@
if (!dir)
return -ENOENT;
+ inode = d_inode(dir);
+ if (!S_ISDIR(inode->i_mode)) {
+ ret = -EINVAL;
+ goto out_dput;
+ }
+
new_dirs = kmalloc_array(dbgfs_nr_ctxs - 1, sizeof(*dbgfs_dirs),
GFP_KERNEL);
if (!new_dirs) {
--
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