return bytes;
}
-static inline __must_check size_t __ab_c_size(size_t n, size_t size, size_t c)
+/*
+ * Compute a*b+c, returning SIZE_MAX on overflow. Internal helper for
+ * struct_size() below.
+ */
+static inline __must_check size_t __ab_c_size(size_t a, size_t b, size_t c)
{
size_t bytes;
- if (check_mul_overflow(n, size, &bytes))
+ if (check_mul_overflow(a, b, &bytes))
return SIZE_MAX;
if (check_add_overflow(bytes, c, &bytes))
return SIZE_MAX;
#include <linux/hashtable.h>
#include <linux/kernel.h>
+#define FAKE_JUMP_OFFSET -1
+
struct alternative {
struct list_head list;
struct instruction *insn;
insn->type != INSN_JUMP_UNCONDITIONAL)
continue;
- if (insn->ignore)
+ if (insn->ignore || insn->offset == FAKE_JUMP_OFFSET)
continue;
rela = find_rela_by_dest_range(insn->sec, insn->offset,
clear_insn_state(&fake_jump->state);
fake_jump->sec = special_alt->new_sec;
- fake_jump->offset = -1;
+ fake_jump->offset = FAKE_JUMP_OFFSET;
fake_jump->type = INSN_JUMP_UNCONDITIONAL;
fake_jump->jump_dest = list_next_entry(last_orig_insn, list);
- fake_jump->ignore = true;
+ fake_jump->func = orig_insn->func;
}
if (!special_alt->new_len) {
return 1;
}
- func = insn->func ? insn->func->pfunc : NULL;
+ if (insn->func)
+ func = insn->func->pfunc;
if (func && insn->ignore) {
WARN_FUNC("BUG: why am I validating an ignored function?",