From patchwork Mon Nov 11 10:54:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Zijlstra X-Patchwork-Id: 13870630 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 049B8189B88; Mon, 11 Nov 2024 11:18:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731323939; cv=none; b=GFltwyf4gs6WKSz0AV2N5unRp7KTH+YuS/vOo5t2ApZK5boVuAzPkhX/1lYKWMwZO1mnTQ91+T7U/iUmJFfa2cJc7O46UToUfilLRnIiujap70vvtsCiHub3W44Q/XYJh14eHMQcEKWzaMak5BOMV1DEjs7rQX0HCAi9ckYBjpg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731323939; c=relaxed/simple; bh=epoKNUw20KjRIxmQqCsJhCOrh6ujz3BwXBFxQJARgCM=; h=Message-Id:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=i1M4BHUE5u2p3rqBJtP0ZpkhKvyzNHy46k3AJ7Lck9TJTmQxIp+LKfa7/82pSYLP3YTL3H1yy8bxGTV7sOOEOnNGKw3gvWwE9N4R8uAWHkhV8PkMQRn5wnIH6z9ibHejYmd2qydf6cIw9Zx/wojCDH1i2ToiI/jS8p4LEY57eOo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=dPd0QQQ4; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="dPd0QQQ4" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:MIME-Version:References: Subject:Cc:To:From:Date:Message-Id:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To; bh=pv+FVEk471RGcZ+dK0zuN25EA0xObldSGsurRFVCsFs=; b=dPd0QQQ4xxwsnXTz8BnI2WWdVt Dx0+uXv+33NncKT+XYluCNZFg6RKp2m4PdpF95I17VU3/b071r1/jQt88bjtikPKOVaCNGYh8HDwT UAHZYCF7qGo6oB48Q2TBXJSX+43+b66POWG0FY02agwza6VYFsMMMRKzGhWtP9j7q7YnYmztgsbHy yWdTnmlICquvoKcofL1azNECQHVusi2NNidsxuTSaIUHYvxzUBl9MfwYRkVrgZeMMQa/mu1eAowoX CJZWTHGBNNQb4tswvmFGZ7ZrN1A8w1cXtnT2hgV+gGPVWqjWy8deFfvYLrZV6kxlYWcNvoGwx1Scm ZfXfVuBg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1tASRU-0000000CpwK-1kBF; Mon, 11 Nov 2024 11:18:48 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 0) id 098A630114C; Mon, 11 Nov 2024 12:18:47 +0100 (CET) Message-Id: <20241111111817.387887920@infradead.org> User-Agent: quilt/0.65 Date: Mon, 11 Nov 2024 11:54:35 +0100 From: Peter Zijlstra To: mcgrof@kernel.org Cc: x86@kernel.org, hpa@zytor.com, petr.pavlu@suse.com, samitolvanen@google.com, da.gomez@samsung.com, masahiroy@kernel.org, nathan@kernel.org, nicolas@fjasle.eu, linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org, linux-kbuild@vger.kernel.org, hch@infradead.org, gregkh@linuxfoundation.org, "Peter Zijlstra (Intel)" Subject: [RFC][PATCH 5/8] module/modpost: Add basename helper References: <20241111105430.575636482@infradead.org> Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Signed-off-by: Peter Zijlstra (Intel) --- scripts/mod/modpost.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1553,6 +1553,16 @@ static void mod_set_crcs(struct module * free(buf); } +static const char *mod_basename(const char *modname) +{ + const char *basename = strrchr(modname, '/'); + if (basename) + basename++; + else + basename = modname; + return basename; +} + static void read_symbols(const char *modname) { const char *symname; @@ -1697,11 +1707,7 @@ static void check_exports(struct module s->crc_valid = exp->crc_valid; s->crc = exp->crc; - basename = strrchr(mod->name, '/'); - if (basename) - basename++; - else - basename = mod->name; + basename = mod_basename(mod->name); if (!contains_namespace(&mod->imported_namespaces, exp->namespace)) { modpost_log(!allow_missing_ns_imports,