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SubjectRe: [PATCH][RFC] sigurg/sigio cleanup for 2.5.31 [version 2]
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This is still wrong.  You need to be checking fown->pid in the loop.

Same thing in send_sigurg.

Jeff

@@ -469,6 +492,12 @@
struct task_struct * p;
int pid = fown->pid;

+ if (!pid)
+ return;
+
+ while (pid == PID_INVALID)
+ cpu_relax();
+
read_lock(&tasklist_lock);
if ( (pid > 0) && (p = find_task_by_pid(pid)) ) {
send_sigio_to_task(p, fown, fd, band);

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