Messages in this thread Patch in this message | | | From | Robert Richter <> | Subject | [PATCH 05/16] perf, persistent: Return resonable error code | Date | Fri, 31 May 2013 10:47:25 +0200 |
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From: Robert Richter <robert.richter@calxeda.com>
Returning -ENODEV if no file descriptor is found. An error code of -1 (-EPERM) is misleading in this case.
Signed-off-by: Robert Richter <robert.richter@calxeda.com> --- kernel/events/persistent.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/events/persistent.c b/kernel/events/persistent.c index 6612eb77..190aa75 100644 --- a/kernel/events/persistent.c +++ b/kernel/events/persistent.c @@ -165,7 +165,7 @@ int perf_get_persistent_event_fd(unsigned cpu, struct perf_event_attr *attr) if (desc->attr->config == attr->config) return __alloc_persistent_event_fd(desc); - return -1; + return -ENODEV; } -- 1.8.1.1
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