From: Chengguang Xu <cgxu519@xxxxxxx> Subject: fs/proc/thread_self.c: code cleanup for proc_setup_thread_self() Remove unnecessary ERR_PTR()/PTR_ERR() cast in proc_setup_thread_self(). Link: http://lkml.kernel.org/r/20190124030150.8472-2-cgxu519@xxxxxxx Signed-off-by: Chengguang Xu <cgxu519@xxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/proc/thread_self.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) --- a/fs/proc/thread_self.c~proc-code-cleanup-for-proc_setup_thread_self +++ a/fs/proc/thread_self.c @@ -38,6 +38,7 @@ int proc_setup_thread_self(struct super_ struct inode *root_inode = d_inode(s->s_root); struct pid_namespace *ns = proc_pid_ns(root_inode); 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 @@ int proc_setup_thread_self(struct super_ 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)) { + + if (ret) 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; + else + ns->proc_thread_self = thread_self; + + return ret; } void __init proc_thread_self_init(void) _
