diff options
| -rw-r--r-- | sys/i386/linux/linux_ptrace.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/i386/linux/linux_ptrace.c b/sys/i386/linux/linux_ptrace.c index 9cee441..6d61ce4 100644 --- a/sys/i386/linux/linux_ptrace.c +++ b/sys/i386/linux/linux_ptrace.c @@ -386,9 +386,9 @@ linux_ptrace(struct thread *td, struct linux_ptrace_args *uap) goto fail; } - td2 = FIRST_THREAD_IN_PROC(p); if (req == PTRACE_GETFPXREGS) { - _PHOLD(p); + _PHOLD(p); /* may block */ + td2 = FIRST_THREAD_IN_PROC(p); error = linux_proc_read_fpxregs(td2, &r.fpxreg); _PRELE(p); PROC_UNLOCK(p); @@ -398,7 +398,8 @@ linux_ptrace(struct thread *td, struct linux_ptrace_args *uap) } else { /* clear dangerous bits exactly as Linux does*/ r.fpxreg.mxcsr &= 0xffbf; - _PHOLD(p); + _PHOLD(p); /* may block */ + td2 = FIRST_THREAD_IN_PROC(p); error = linux_proc_write_fpxregs(td2, &r.fpxreg); _PRELE(p); PROC_UNLOCK(p); |
