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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@gmx.com
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Chengguang Xu 2019-03-05 15:50:25 -08:00 committed by Linus Torvalds
parent 756ca74c7f
commit 45f68ab502
1 changed files with 8 additions and 8 deletions
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16
fs/proc/thread_self.c
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@ -38,6 +38,7 @@ 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 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_block *s)
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)