linux-kernel - [PATCH] arch: powerpc: platforms: powermac: bootx_init.c: Cleaning up missing null-terminate in conjunction with strncpy

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Date:	Sat, 26 Jul 2014 18:45:05 +0200
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] arch: powerpc: platforms: powermac: bootx_init.c:  Cleaning up missing null-terminate in conjunction with strncpy

Replacing strncpy with strlcpy to avoid strings that lacks null terminate.
And removed unnecessary magic numbers.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 arch/powerpc/platforms/powermac/bootx_init.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
index 3e91ef5..76f5013 100644
--- a/arch/powerpc/platforms/powermac/bootx_init.c
+++ b/arch/powerpc/platforms/powermac/bootx_init.c
@@ -246,7 +246,7 @@ static void __init bootx_scan_dt_build_strings(unsigned long base,
 		DBG(" detected display ! adding properties names !\n");
 		bootx_dt_add_string("linux,boot-display", mem_end);
 		bootx_dt_add_string("linux,opened", mem_end);
-		strncpy(bootx_disp_path, namep, 255);
+		strlcpy(bootx_disp_path, namep, sizeof(bootx_disp_path));
 	}
 
 	/* get and store all property names */
-- 
1.7.10.4

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