diff options
Diffstat (limited to 'lib/extable.c')
| -rw-r--r-- | lib/extable.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/extable.c b/lib/extable.c index e8e77527946e..3f677a8f0c3c 100644 --- a/lib/extable.c +++ b/lib/extable.c @@ -29,7 +29,13 @@ extern struct exception_table_entry __stop___ex_table[]; static int cmp_ex(const void *a, const void *b) { const struct exception_table_entry *x = a, *y = b; - return x->insn - y->insn; + + /* avoid overflow */ + if (x->insn > y->insn) + return 1; + if (x->insn < y->insn) + return -1; + return 0; } void sort_extable(struct exception_table_entry *start, |