[PATCH AUTOSEL 4.19 033/237] m68k: fix command-line parsing when passed from u-boot

Sasha Levin
2019-11-16T16:26:45Z

From: Angelo Dureghello <angelo@sysam.it>

[ Upstream commit 381fdd62c38344a771aed06adaf14aae65c47454 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/m68k/kernel/uboot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/m68k/kernel/uboot.c b/arch/m68k/kernel/uboot.c
index b29c3b241e1bb..1070828770645 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;
}
--
2.20.1