From: Angelo Dureghello <angelo@sysam.it>
Date: Fri, 7 Sep 2018 12:44:25 +0000 (+0200)
Subject: m68k: fix command-line parsing when passed from u-boot
X-Git-Tag: ceph-for-4.20-rc2~80^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=381fdd62c38344a771aed06adaf14aae65c47454;p=ceph-client.git

m68k: fix command-line parsing when passed from u-boot

This patch fixes command_line array zero-terminated
one byte over the end of the array, causing boot to hang.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
---

diff --git a/arch/m68k/kernel/uboot.c b/arch/m68k/kernel/uboot.c
index b29c3b241e1b..107082877064 100644
--- a/arch/m68k/kernel/uboot.c
+++ b/arch/m68k/kernel/uboot.c
@@ -102,5 +102,5 @@ __init void process_uboot_commandline(char *commandp, int size)
 	}
 
 	parse_uboot_commandline(commandp, len);
-	commandp[size - 1] = 0;
+	commandp[len - 1] = 0;
 }