powerpc/prom_init: Make "fake_elf" const

ozbenh · mpe · commit 30c69ca0486f · 2018-10-14T18:04:09.000+11:00
It is never modified

Signed-off-by: Benjamin Herrenschmidt &lt;benh@kernel.crashing.org&gt;
Signed-off-by: Michael Ellerman &lt;mpe@ellerman.id.au&gt;
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
@@ -922,7 +922,7 @@ struct ibm_arch_vec __cacheline_aligned ibm_architecture_vec = {
 
 /* Old method - ELF header with PT_NOTE sections only works on BE */
 #ifdef __BIG_ENDIAN__
-static struct fake_elf {
+static const struct fake_elf {
 	Elf32_Ehdr	elfhdr;
 	Elf32_Phdr	phdr[2];
 	struct chrpnote {
