linux-kernel - [PATCH] x86, mpparse: Reduce memory footprint

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 23 Mar 2011 21:31:40 +0600
From:	Rakib Mullick <rakib.mullick@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: [PATCH] x86, mpparse: Reduce memory footprint

Reduce extra memory footprint overhead. ret isn't used by check_slot,
gets initialized but no real use, so remove it.

Signed-off-by: Rakib Mullick <rakib.mullick@...il.com>
---

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 6f789a8..ef32d4c 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -722,14 +722,12 @@ inline void __init check_irq_src(struct
mpc_intsrc *m, int *nr_m_spare) {}
 static int
 check_slot(unsigned long mpc_new_phys, unsigned long mpc_new_length, int count)
 {
-	int ret = 0;
-
 	if (!mpc_new_phys || count <= mpc_new_length) {
 		WARN(1, "update_mptable: No spare slots (length: %x)\n", count);
 		return -1;
 	}

-	return ret;
+	return 0;
 }

 static int  __init replace_intsrc_all(struct mpc_table *mpc,
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/