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fs/proc/self.c: code cleanup for proc_setup_self()

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Remove unnecessary ERR_PTR()/PTR_ERR() cast in proc_setup_self().

Link: http://lkml.kernel.org/r/20190124030150.8472-1-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 15:50:22 -08:00 committed by Linus Torvalds
parent 0338c83836
commit 756ca74c7f
1 changed files with 8 additions and 8 deletions
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16
fs/proc/self.c
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@ -38,6 +38,7 @@ int proc_setup_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 *self;
int ret = -ENOMEM;
inode_lock(root_inode);
self = d_alloc_name(s->s_root, "self");
@ -51,20 +52,19 @@ int proc_setup_self(struct super_block *s)
inode->i_gid = GLOBAL_ROOT_GID;
inode->i_op = &proc_self_inode_operations;
d_add(self, inode);
ret = 0;
} else {
dput(self);
self = ERR_PTR(-ENOMEM);
}
} else {
self = ERR_PTR(-ENOMEM);
}
inode_unlock(root_inode);
if (IS_ERR(self)) {
if (ret)
pr_err("proc_fill_super: can't allocate /proc/self\n");
return PTR_ERR(self);
}
ns->proc_self = self;
return 0;
else
ns->proc_self = self;
return ret;
}
void __init proc_self_init(void)