diff options
Diffstat (limited to 'arch/s390/kernel/ptrace.c')
| -rw-r--r-- | arch/s390/kernel/ptrace.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 18b3416fd663..0ea3d02b378d 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -975,10 +975,12 @@ static int s390_tdb_get(struct task_struct *target, struct membuf to) { struct pt_regs *regs = task_pt_regs(target); + size_t size; if (!(regs->int_code & 0x200)) return -ENODATA; - return membuf_write(&to, target->thread.trap_tdb, 256); + size = sizeof(target->thread.trap_tdb.data); + return membuf_write(&to, target->thread.trap_tdb.data, size); } static int s390_tdb_set(struct task_struct *target, |