linux-kernel - Re: [PATCH v4 4/8] recordmcount: Rewrite error/success handling

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Message-ID: <20191009110538.5909fec6@gandalf.local.home>
Date:   Wed, 9 Oct 2019 11:05:38 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
Cc:     Matt Helsley <mhelsley@...are.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>, kernel@...gutronix.de,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 4/8] recordmcount: Rewrite error/success handling

On Wed, 9 Oct 2019 12:46:26 +0200
Uwe Kleine-König <u.kleine-koenig@...gutronix.de> wrote:


> uwe@...rus:~/arietta/kbuild$ ./scripts/recordmcount "arch/arm/crypto/aes-cipher-glue.o"
> arch/arm/crypto/aes-cipher-glue.o: failed

Thanks for the report.

> 
> I didn't debug this further, if you have problems reproducing or need more
> infos tell me. The defconfig I'm using is attached.
> 

Does this fix it for you?

-- Steve

diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
index 3796eb37fb12..6dbec46b7703 100644
--- a/scripts/recordmcount.h
+++ b/scripts/recordmcount.h
@@ -389,11 +389,8 @@ static int nop_mcount(Elf_Shdr const *const relhdr,
 			mcountsym = get_mcountsym(sym0, relp, str0);
 
 		if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) {
-			if (make_nop) {
+			if (make_nop)
 				ret = make_nop((void *)ehdr, _w(shdr->sh_offset) + _w(relp->r_offset));
-				if (ret < 0)
-					return -1;
-			}
 			if (warn_on_notrace_sect && !once) {
 				printf("Section %s has mcount callers being ignored\n",
 				       txtname);