From: Thierry Reding <treding@nvidia.com>
Date: Fri, 3 Sep 2021 13:16:17 +0000 (+0200)
Subject: fdtdec: Allow using fdtdec_get_carveout() in loops
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=d5598cfa9bcab50812b2b416af91c2a37be67531;p=u-boot.git

fdtdec: Allow using fdtdec_get_carveout() in loops

In order make it possible to use fdtdec_get_carveout() in loops, return
FDT_ERR_NOTFOUND when the passed-in index exceeds the number of phandles
present in the given property.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
---

diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index af92e65bde..f2861eb395 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -1431,7 +1431,7 @@ int fdtdec_get_carveout(const void *blob, const char *node, const char *name,
 
 	if (len < (sizeof(phandle) * (index + 1))) {
 		debug("invalid phandle index\n");
-		return -FDT_ERR_BADPHANDLE;
+		return -FDT_ERR_NOTFOUND;
 	}
 
 	phandle = fdt32_to_cpu(prop[index]);