71 	int retval;  in __oprofile_hwsampler_start()  local
73 	retval = hwsampler_allocate(oprofile_sdbt_blocks, oprofile_sdb_blocks);  in __oprofile_hwsampler_start()
74 	if (retval)  in __oprofile_hwsampler_start()
75 		return retval;  in __oprofile_hwsampler_start()
77 	retval = hwsampler_start_all(oprofile_hw_interval);  in __oprofile_hwsampler_start()
78 	if (retval)  in __oprofile_hwsampler_start()
81 	return retval;  in __oprofile_hwsampler_start()
86 	int retval;  in oprofile_hwsampler_start()  local
93 	retval = perf_reserve_sampling();  in oprofile_hwsampler_start()
94 	if (retval)  in oprofile_hwsampler_start()
95 		return retval;  in oprofile_hwsampler_start()
97 	retval = __oprofile_hwsampler_start();  in oprofile_hwsampler_start()
98 	if (retval)  in oprofile_hwsampler_start()
101 	return retval;  in oprofile_hwsampler_start()
133 	int retval;  in hwsampler_write()  local
138 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hwsampler_write()
139 	if (retval <= 0)  in hwsampler_write()
140 		return retval;  in hwsampler_write()
182 	int retval;  in hw_interval_write()  local
186 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hw_interval_write()
187 	if (retval <= 0)  in hw_interval_write()
188 		return retval;  in hw_interval_write()
224 	int retval;  in hwsampler_zero_write()  local
229 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hwsampler_zero_write()
230 	if (retval <= 0)  in hwsampler_zero_write()
231 		return retval;  in hwsampler_zero_write()
255 	int retval;  in hwsampler_kernel_write()  local
260 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hwsampler_kernel_write()
261 	if (retval <= 0)  in hwsampler_kernel_write()
262 		return retval;  in hwsampler_kernel_write()
290 	int retval;  in hwsampler_user_write()  local
295 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in hwsampler_user_write()
296 	if (retval <= 0)  in hwsampler_user_write()
297 		return retval;  in hwsampler_user_write()
329 	int retval;  in timer_enabled_write()  local
334 	retval = oprofilefs_ulong_from_user(&val, buf, count);  in timer_enabled_write()
335 	if (retval <= 0)  in timer_enabled_write()
336 		return retval;  in timer_enabled_write()