linux-kernel - Re: 2.6.23-rc6-mm1

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Date:	Tue, 18 Sep 2007 21:17:41 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Miles Lane <miles.lane@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Roman Zippel <zippel@...ux-m68k.org>
Subject: Re: 2.6.23-rc6-mm1

Hi Miles.
On Tue, Sep 18, 2007 at 11:27:23AM -0400, Miles Lane wrote:
> Selecting Help for "Subarchitecture Type" causes "make menuconfig" to
> crash, and the bash display settings have to be reset.

Not reproduceable here.
But I noticed that we pass a null pointer to a vsprintf function which
in the cases you pointed out printed a (null) at my system.
Could you plase try if attached patch fix your system.

Thanks,
	Sam

diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 2ee12a7..1935818 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -357,8 +357,9 @@ static void get_symbol_str(struct gstr *r, struct symbol *sym)
 	bool hit;
 	struct property *prop;
 
-	str_printf(r, "Symbol: %s [=%s]\n", sym->name,
-	                               sym_get_string_value(sym));
+	if (sym && sym->name)
+		str_printf(r, "Symbol: %s [=%s]\n", sym->name,
+		                                    sym_get_string_value(sym));
 	for_all_prompts(sym, prop)
 		get_prompt_str(r, prop);
 	hit = false;
-
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