[rtems commit] libfdt: Allow exclusion of fdt_check_full()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    5fa49fa43ca4b0788e905398dbf0db7b68e77974
Changeset: http://git.rtems.org/rtems/commit/?id=5fa49fa43ca4b0788e905398dbf0db7b68e77974

Author:    Simon Glass <sjg at chromium.org>
Date:      Thu Feb 20 14:45:57 2020 -0700

libfdt: Allow exclusion of fdt_check_full()

This function is used to perform a full check of the device tree. Allow
it to be excluded if all assumptions are enabled.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: David Gibson <david at gibson.dropbear.id.au>
Message-Id: <20200220214557.176528-9-sjg at chromium.org>
Signed-off-by: David Gibson <david at gibson.dropbear.id.au>

---

 cpukit/dtc/libfdt/fdt_ro.c | 63 ----------------------------------------------
 1 file changed, 63 deletions(-)

diff --git a/cpukit/dtc/libfdt/fdt_ro.c b/cpukit/dtc/libfdt/fdt_ro.c
index 2fa768e..1945503 100644
--- a/cpukit/dtc/libfdt/fdt_ro.c
+++ b/cpukit/dtc/libfdt/fdt_ro.c
@@ -855,66 +855,3 @@ int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
 
 	return offset; /* error from fdt_next_node() */
 }
-
-int fdt_check_full(const void *fdt, size_t bufsize)
-{
-	int err;
-	int num_memrsv;
-	int offset, nextoffset = 0;
-	uint32_t tag;
-	unsigned depth = 0;
-	const void *prop;
-	const char *propname;
-
-	if (bufsize < FDT_V1_SIZE)
-		return -FDT_ERR_TRUNCATED;
-	err = fdt_check_header(fdt);
-	if (err != 0)
-		return err;
-	if (bufsize < fdt_totalsize(fdt))
-		return -FDT_ERR_TRUNCATED;
-
-	num_memrsv = fdt_num_mem_rsv(fdt);
-	if (num_memrsv < 0)
-		return num_memrsv;
-
-	while (1) {
-		offset = nextoffset;
-		tag = fdt_next_tag(fdt, offset, &nextoffset);
-
-		if (nextoffset < 0)
-			return nextoffset;
-
-		switch (tag) {
-		case FDT_NOP:
-			break;
-
-		case FDT_END:
-			if (depth != 0)
-				return -FDT_ERR_BADSTRUCTURE;
-			return 0;
-
-		case FDT_BEGIN_NODE:
-			depth++;
-			if (depth > INT_MAX)
-				return -FDT_ERR_BADSTRUCTURE;
-			break;
-
-		case FDT_END_NODE:
-			if (depth == 0)
-				return -FDT_ERR_BADSTRUCTURE;
-			depth--;
-			break;
-
-		case FDT_PROP:
-			prop = fdt_getprop_by_offset(fdt, offset, &propname,
-						     &err);
-			if (!prop)
-				return err;
-			break;
-
-		default:
-			return -FDT_ERR_INTERNAL;
-		}
-	}
-}