linux-kernel - [PATCH 1/2] fdt: correctly handle uncompressed node names

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Message-Id: <20170513102229.22579-2-x-linux@infra-silbe.de>
Date:   Sat, 13 May 2017 12:22:28 +0200
From:   Sascha Silbe <x-linux@...ra-silbe.de>
To:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] fdt: correctly handle uncompressed node names

When handling uncompressed node names, we need to compare the last
component rather than the entire string.

Signed-off-by: Sascha Silbe <x-linux@...ra-silbe.de>
---
 scripts/dtc/libfdt/fdt_ro.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scripts/dtc/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c
index 3d00d2eee0e3..ca03ff87429c 100644
--- a/scripts/dtc/libfdt/fdt_ro.c
+++ b/scripts/dtc/libfdt/fdt_ro.c
@@ -64,6 +64,9 @@ static int _fdt_nodename_eq(const void *fdt, int offset,
 		/* short match */
 		return 0;
 
+	if (*p == '/')
+		/* Uncompressed node name. Only compare the last part. */
+		p = strrchr(p, '/') + 1;
 	if (memcmp(p, s, len) != 0)
 		return 0;
 
-- 
2.11.0