diff options
Diffstat (limited to 'arch/mips/kernel/irixsig.c')
| -rw-r--r-- | arch/mips/kernel/irixsig.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c index 5b10ac133ec8..0215c805a592 100644 --- a/arch/mips/kernel/irixsig.c +++ b/arch/mips/kernel/irixsig.c @@ -578,10 +578,11 @@ out: #define W_MASK (W_EXITED | W_TRAPPED | W_STOPPED | W_CONT | W_NOHANG) -asmlinkage int irix_waitsys(int type, int pid, +asmlinkage int irix_waitsys(int type, int upid, struct irix5_siginfo __user *info, int options, struct rusage __user *ru) { + struct pid *pid = NULL; int flag, retval; DECLARE_WAITQUEUE(wait, current); struct task_struct *tsk; @@ -604,6 +605,8 @@ asmlinkage int irix_waitsys(int type, int pid, if (type != IRIX_P_PID && type != IRIX_P_PGID && type != IRIX_P_ALL) return -EINVAL; + if (type != IRIX_P_ALL) + pid = find_get_pid(upid); add_wait_queue(¤t->signal->wait_chldexit, &wait); repeat: flag = 0; @@ -612,9 +615,9 @@ repeat: tsk = current; list_for_each(_p, &tsk->children) { p = list_entry(_p, struct task_struct, sibling); - if ((type == IRIX_P_PID) && p->pid != pid) + if ((type == IRIX_P_PID) && task_pid(p) != pid) continue; - if ((type == IRIX_P_PGID) && task_pgrp_nr(p) != pid) + if ((type == IRIX_P_PGID) && task_pgrp(p) != pid) continue; if ((p->exit_signal != SIGCHLD)) continue; @@ -639,7 +642,7 @@ repeat: retval = __put_user(SIGCHLD, &info->sig); retval |= __put_user(0, &info->code); - retval |= __put_user(p->pid, &info->stuff.procinfo.pid); + retval |= __put_user(task_pid_vnr(p), &info->stuff.procinfo.pid); retval |= __put_user((p->exit_code >> 8) & 0xff, &info->stuff.procinfo.procdata.child.status); retval |= __put_user(p->utime, &info->stuff.procinfo.procdata.child.utime); @@ -657,7 +660,7 @@ repeat: getrusage(p, RUSAGE_BOTH, ru); retval = __put_user(SIGCHLD, &info->sig); retval |= __put_user(1, &info->code); /* CLD_EXITED */ - retval |= __put_user(p->pid, &info->stuff.procinfo.pid); + retval |= __put_user(task_pid_vnr(p), &info->stuff.procinfo.pid); retval |= __put_user((p->exit_code >> 8) & 0xff, &info->stuff.procinfo.procdata.child.status); retval |= __put_user(p->utime, @@ -665,7 +668,7 @@ repeat: retval |= __put_user(p->stime, &info->stuff.procinfo.procdata.child.stime); if (retval) - return retval; + goto end_waitsys; if (p->real_parent != p->parent) { write_lock_irq(&tasklist_lock); @@ -698,6 +701,7 @@ repeat: end_waitsys: current->state = TASK_RUNNING; remove_wait_queue(¤t->signal->wait_chldexit, &wait); + put_pid(pid); return retval; } |