proc: warn on non-existing proc entries
* warn if creation goes on to non-existent directory * warn if removal goes on from non-existing directory * warn if non-existing proc entry is removed Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -312,8 +312,10 @@ static int __xlate_proc_name(const char *name, struct proc_dir_entry **ret,
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if (proc_match(len, cp, de))
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if (proc_match(len, cp, de))
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break;
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break;
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}
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}
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if (!de)
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if (!de) {
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WARN(1, "name '%s'\n", name);
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return -ENOENT;
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return -ENOENT;
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}
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cp += len + 1;
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cp += len + 1;
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}
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}
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*residual = cp;
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*residual = cp;
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@ -818,8 +820,10 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
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}
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}
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}
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}
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spin_unlock(&proc_subdir_lock);
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spin_unlock(&proc_subdir_lock);
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if (!de)
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if (!de) {
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WARN(1, "name '%s'\n", name);
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return;
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return;
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}
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spin_lock(&de->pde_unload_lock);
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spin_lock(&de->pde_unload_lock);
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/*
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/*
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