From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 12 Oct 2024 07:10:09 +0000
Subject: [PATCH] 修改led为gpio
---
kernel/fs/proc/thread_self.c | 22 +++++++++++-----------
1 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/kernel/fs/proc/thread_self.c b/kernel/fs/proc/thread_self.c
index ed009aa..a553273 100644
--- a/kernel/fs/proc/thread_self.c
+++ b/kernel/fs/proc/thread_self.c
@@ -12,7 +12,7 @@
struct inode *inode,
struct delayed_call *done)
{
- struct pid_namespace *ns = proc_pid_ns(inode);
+ struct pid_namespace *ns = proc_pid_ns(inode->i_sb);
pid_t tgid = task_tgid_nr_ns(current, ns);
pid_t pid = task_pid_nr_ns(current, ns);
char *name;
@@ -36,8 +36,9 @@
int proc_setup_thread_self(struct super_block *s)
{
struct inode *root_inode = d_inode(s->s_root);
- struct pid_namespace *ns = proc_pid_ns(root_inode);
+ struct proc_fs_info *fs_info = proc_sb_info(s);
struct dentry *thread_self;
+ int ret = -ENOMEM;
inode_lock(root_inode);
thread_self = d_alloc_name(s->s_root, "thread-self");
@@ -51,20 +52,19 @@
inode->i_gid = GLOBAL_ROOT_GID;
inode->i_op = &proc_thread_self_inode_operations;
d_add(thread_self, inode);
+ ret = 0;
} else {
dput(thread_self);
- thread_self = ERR_PTR(-ENOMEM);
}
- } else {
- thread_self = ERR_PTR(-ENOMEM);
}
inode_unlock(root_inode);
- if (IS_ERR(thread_self)) {
- pr_err("proc_fill_super: can't allocate /proc/thread_self\n");
- return PTR_ERR(thread_self);
- }
- ns->proc_thread_self = thread_self;
- return 0;
+
+ if (ret)
+ pr_err("proc_fill_super: can't allocate /proc/thread-self\n");
+ else
+ fs_info->proc_thread_self = thread_self;
+
+ return ret;
}
void __init proc_thread_self_init(void)
--
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