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Commit 2051cade authored by Robert Richter's avatar Robert Richter
Browse files

oprofile: oprofile_set_timeout(), return with error for invalid args 



Return with -EINVAL for invalid parameters instead of setting the
default value in oprofile_set_timeout().

Signed-off-by: default avatarRobert Richter <robert.richter@amd.com>
parent 6bfccd09

drivers/oprofile/oprof.c

+8 −3
Original line number Diff line number Diff line
@@ -196,6 +196,7 @@ void oprofile_shutdown(void) 
int oprofile_set_timeout(unsigned long val_msec)

{

	int err = 0;

	unsigned long time_slice;



	mutex_lock(&start_mutex);
@@ -209,9 +210,13 @@ int oprofile_set_timeout(unsigned long val_msec) 
		goto out;

	}



	timeout_jiffies = msecs_to_jiffies(val_msec);

	if (timeout_jiffies == MAX_JIFFY_OFFSET)

		timeout_jiffies = msecs_to_jiffies(MULTIPLEXING_TIMER_DEFAULT);

	time_slice = msecs_to_jiffies(val_msec);

	if (time_slice == MAX_JIFFY_OFFSET) {

		err = -EINVAL;

		goto out;

	}



	timeout_jiffies = time_slice;



out:

	mutex_unlock(&start_mutex);