diff --git a/xen/common/livepatch.c b/xen/common/livepatch.c index e14ded6d73..87a8df2cd8 100644 --- a/xen/common/livepatch.c +++ b/xen/common/livepatch.c @@ -641,10 +641,10 @@ static int prepare_payload(struct payload *payload, sizeof(*region->frame[i].bugs); } -#ifdef CONFIG_HAS_ALTERNATIVE sec = livepatch_elf_sec_by_name(elf, ".altinstructions"); if ( sec ) { +#ifdef CONFIG_HAS_ALTERNATIVE struct alt_instr *a, *start, *end; if ( sec->sec->sh_size % sizeof(*a) ) @@ -671,13 +671,17 @@ static int prepare_payload(struct payload *payload, } } apply_alternatives(start, end); - } +#else + dprintk(XENLOG_ERR, LIVEPATCH "%s: We don't support alternative patching!\n", + elf->name); + return -EOPNOTSUPP; #endif + } -#ifdef CONFIG_HAS_EX_TABLE sec = livepatch_elf_sec_by_name(elf, ".ex_table"); if ( sec ) { +#ifdef CONFIG_HAS_EX_TABLE struct exception_table_entry *s, *e; if ( !sec->sec->sh_size || @@ -696,8 +700,12 @@ static int prepare_payload(struct payload *payload, region->ex = s; region->ex_end = e; - } +#else + dprintk(XENLOG_ERR, LIVEPATCH "%s: We don't support .ex_table!\n", + elf->name); + return -EOPNOTSUPP; #endif + } return 0; }