From 16420fbbd59338d9331fcdd3038cc3b92a2d4948 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Mon, 2 Mar 2020 12:02:55 -0700 Subject: libfdt: Use VALID_INPUT for FDT_ERR_BADSTATE checks This error indicates a logic bug in the code calling libfdt, so VALID_DTB is not really the right check. Update it to use VALID_INPUT instead. Signed-off-by: Simon Glass Suggested-by: David Gibson Message-Id: <20200302190255.51426-4-sjg@chromium.org> Signed-off-by: David Gibson --- cpukit/dtc/libfdt/fdt.c | 2 +- cpukit/dtc/libfdt/fdt_sw.c | 7 ++++--- 2 files changed, 5 insertions(+), 4 deletions(-) (limited to 'cpukit/dtc/libfdt') diff --git a/cpukit/dtc/libfdt/fdt.c b/cpukit/dtc/libfdt/fdt.c index 4419204a86..c28fcc1157 100644 --- a/cpukit/dtc/libfdt/fdt.c +++ b/cpukit/dtc/libfdt/fdt.c @@ -33,7 +33,7 @@ int32_t fdt_ro_probe_(const void *fdt) } } else if (fdt_magic(fdt) == FDT_SW_MAGIC) { /* Unfinished sequential-write blob */ - if (fdt_size_dt_struct(fdt) == 0) + if (!can_assume(VALID_INPUT) && fdt_size_dt_struct(fdt) == 0) return -FDT_ERR_BADSTATE; } else { return -FDT_ERR_BADMAGIC; diff --git a/cpukit/dtc/libfdt/fdt_sw.c b/cpukit/dtc/libfdt/fdt_sw.c index 352193c0a7..26759d5dfb 100644 --- a/cpukit/dtc/libfdt/fdt_sw.c +++ b/cpukit/dtc/libfdt/fdt_sw.c @@ -12,7 +12,7 @@ static int fdt_sw_probe_(void *fdt) { - if (!can_assume(VALID_DTB)) { + if (!can_assume(VALID_INPUT)) { if (fdt_magic(fdt) == FDT_MAGIC) return -FDT_ERR_BADSTATE; else if (fdt_magic(fdt) != FDT_SW_MAGIC) @@ -41,7 +41,7 @@ static int fdt_sw_probe_memrsv_(void *fdt) if (err) return err; - if (!can_assume(VALID_DTB) && fdt_off_dt_strings(fdt) != 0) + if (!can_assume(VALID_INPUT) && fdt_off_dt_strings(fdt) != 0) return -FDT_ERR_BADSTATE; return 0; } @@ -67,7 +67,8 @@ static int fdt_sw_probe_struct_(void *fdt) if (err) return err; - if (fdt_off_dt_strings(fdt) != fdt_totalsize(fdt)) + if (!can_assume(VALID_INPUT) && + fdt_off_dt_strings(fdt) != fdt_totalsize(fdt)) return -FDT_ERR_BADSTATE; return 0; } -- cgit v1.2.3