procfs: don't need a PATH_MAX allocation to hold a string representation of an int
Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -2258,7 +2258,8 @@ static void *proc_self_follow_link(struct dentry *dentry, struct nameidata *nd)
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pid_t tgid = task_tgid_nr_ns(current, ns);
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char *name = ERR_PTR(-ENOENT);
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if (tgid) {
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name = __getname();
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/* 11 for max length of signed int in decimal + NULL term */
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name = kmalloc(12, GFP_KERNEL);
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if (!name)
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name = ERR_PTR(-ENOMEM);
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else
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@ -2273,7 +2274,7 @@ static void proc_self_put_link(struct dentry *dentry, struct nameidata *nd,
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{
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char *s = nd_get_link(nd);
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if (!IS_ERR(s))
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__putname(s);
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kfree(s);
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}
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static const struct inode_operations proc_self_inode_operations = {
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