On Fri, Jul 24, 2015 at 02:45:56PM +0300, Alexander Shishkin wrote: > @@ -3890,7 +3958,7 @@ perf_read(struct file *file, char __user *buf, size_t > count, loff_t *ppos) > ret = perf_read_hw(event, buf, count); > perf_event_ctx_unlock(event, ctx); > > - return ret; > + return perf_error_report(&event->attr, ret); > } > > static unsigned int perf_poll(struct file *file, poll_table *wait) > @@ -4103,7 +4171,7 @@ static long perf_ioctl(struct file *file, unsigned int > cmd, unsigned long arg) > ret = _perf_ioctl(event, cmd, arg); > perf_event_ctx_unlock(event, ctx); > > - return ret; > + return perf_error_report(&event->attr, ret); > } > > #ifdef CONFIG_COMPAT
Oooh, shiny.. So not only does it work for SYSCALL time fails, it keeps the pointer about and reports all subsequent fails in there too. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
