[U-Boot] [PATCH v2 05/30] x86: Panic if there is no relocation data

[Simon Glass]

This normally indicates a problem which will prevent relocation from
functioning, resulting in a hang. Panic in this case to make it easier
to debug.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

Changes in v2:
- Change 'not' to 'no' since it reads better

 arch/x86/lib/relocate.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/lib/relocate.c b/arch/x86/lib/relocate.c
index faca38f..b33586b 100644
--- a/arch/x86/lib/relocate.c
+++ b/arch/x86/lib/relocate.c
@@ -76,6 +76,9 @@ int do_elf_reloc_fixups(void)
 	/* The size of the region of u-boot that runs out of RAM. */
 	uintptr_t size = (uintptr_t)&__bss_end - (uintptr_t)&__text_start;
 
+	if (re_src == re_end)
+		panic("No relocation data");
+
 	do {
 		/* Get the location from the relocation entry */
 		offset_ptr_rom = (Elf32_Addr *)re_src->r_offset;
-- 
2.1.0.rc2.206.gedb03e5