72 	int retval;  in __oprofile_hwsampler_start()  local
74 	retval = hwsampler_allocate(oprofile_sdbt_blocks, oprofile_sdb_blocks);  in __oprofile_hwsampler_start()
75 	if (retval)  in __oprofile_hwsampler_start()
76 		return retval;  in __oprofile_hwsampler_start()
78 	retval = hwsampler_start_all(oprofile_hw_interval);  in __oprofile_hwsampler_start()
79 	if (retval)  in __oprofile_hwsampler_start()
82 	return retval;  in __oprofile_hwsampler_start()
87 	int retval;  in oprofile_hwsampler_start()  local
94 	retval = perf_reserve_sampling();  in oprofile_hwsampler_start()
95 	if (retval)  in oprofile_hwsampler_start()
96 		return retval;  in oprofile_hwsampler_start()
98 	retval = __oprofile_hwsampler_start();  in oprofile_hwsampler_start()
99 	if (retval)  in oprofile_hwsampler_start()
102 	return retval;  in oprofile_hwsampler_start()
134 	int retval;  in hwsampler_write()  local
139 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hwsampler_write()
140 	if (retval <= 0)  in hwsampler_write()
141 		return retval;  in hwsampler_write()
183 	int retval;  in hw_interval_write()  local
187 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hw_interval_write()
188 	if (retval <= 0)  in hw_interval_write()
189 		return retval;  in hw_interval_write()
225 	int retval;  in hwsampler_zero_write()  local
230 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hwsampler_zero_write()
231 	if (retval <= 0)  in hwsampler_zero_write()
232 		return retval;  in hwsampler_zero_write()
256 	int retval;  in hwsampler_kernel_write()  local
261 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hwsampler_kernel_write()
262 	if (retval <= 0)  in hwsampler_kernel_write()
263 		return retval;  in hwsampler_kernel_write()
291 	int retval;  in hwsampler_user_write()  local
296 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hwsampler_user_write()
297 	if (retval <= 0)  in hwsampler_user_write()
298 		return retval;  in hwsampler_user_write()
330 	int retval;  in timer_enabled_write()  local
335 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in timer_enabled_write()
336 	if (retval <= 0)  in timer_enabled_write()
337 		return retval;  in timer_enabled_write()