878 	int result = 0, count1;  in snd_rawmidi_receive()  local
901 		count1 = runtime->buffer_size - runtime->hw_ptr;  in snd_rawmidi_receive()
902 		if (count1 > count)  in snd_rawmidi_receive()
903 			count1 = count;  in snd_rawmidi_receive()
904 		if (count1 > (int)(runtime->buffer_size - runtime->avail))  in snd_rawmidi_receive()
905 			count1 = runtime->buffer_size - runtime->avail;  in snd_rawmidi_receive()
906 		memcpy(runtime->buffer + runtime->hw_ptr, buffer, count1);  in snd_rawmidi_receive()
907 		runtime->hw_ptr += count1;  in snd_rawmidi_receive()
909 		runtime->avail += count1;  in snd_rawmidi_receive()
910 		count -= count1;  in snd_rawmidi_receive()
911 		result += count1;  in snd_rawmidi_receive()
913 			buffer += count1;  in snd_rawmidi_receive()
914 			count1 = count;  in snd_rawmidi_receive()
915 			if (count1 > (int)(runtime->buffer_size - runtime->avail)) {  in snd_rawmidi_receive()
916 				count1 = runtime->buffer_size - runtime->avail;  in snd_rawmidi_receive()
917 				runtime->xruns += count - count1;  in snd_rawmidi_receive()
919 			if (count1 > 0) {  in snd_rawmidi_receive()
920 				memcpy(runtime->buffer, buffer, count1);  in snd_rawmidi_receive()
921 				runtime->hw_ptr = count1;  in snd_rawmidi_receive()
922 				runtime->avail += count1;  in snd_rawmidi_receive()
923 				result += count1;  in snd_rawmidi_receive()
943 	long result = 0, count1;  in snd_rawmidi_kernel_read1()  local
949 		count1 = runtime->buffer_size - runtime->appl_ptr;  in snd_rawmidi_kernel_read1()
950 		if (count1 > count)  in snd_rawmidi_kernel_read1()
951 			count1 = count;  in snd_rawmidi_kernel_read1()
952 		if (count1 > (int)runtime->avail)  in snd_rawmidi_kernel_read1()
953 			count1 = runtime->avail;  in snd_rawmidi_kernel_read1()
957 		runtime->appl_ptr += count1;  in snd_rawmidi_kernel_read1()
959 		runtime->avail -= count1;  in snd_rawmidi_kernel_read1()
962 			memcpy(kernelbuf + result, runtime->buffer + appl_ptr, count1);  in snd_rawmidi_kernel_read1()
966 					 runtime->buffer + appl_ptr, count1)) {  in snd_rawmidi_kernel_read1()
971 		result += count1;  in snd_rawmidi_kernel_read1()
972 		count -= count1;  in snd_rawmidi_kernel_read1()
990 	int count1;  in snd_rawmidi_read()  local
1025 		count1 = snd_rawmidi_kernel_read1(substream,  in snd_rawmidi_read()
1029 		if (count1 < 0)  in snd_rawmidi_read()
1030 			return result > 0 ? result : count1;  in snd_rawmidi_read()
1031 		result += count1;  in snd_rawmidi_read()
1032 		buf += count1;  in snd_rawmidi_read()
1033 		count -= count1;  in snd_rawmidi_read()
1073 	int result, count1;  in __snd_rawmidi_transmit_peek()  local
1090 		count1 = runtime->buffer_size - runtime->hw_ptr;  in __snd_rawmidi_transmit_peek()
1091 		if (count1 > count)  in __snd_rawmidi_transmit_peek()
1092 			count1 = count;  in __snd_rawmidi_transmit_peek()
1093 		if (count1 > (int)(runtime->buffer_size - runtime->avail))  in __snd_rawmidi_transmit_peek()
1094 			count1 = runtime->buffer_size - runtime->avail;  in __snd_rawmidi_transmit_peek()
1095 		memcpy(buffer, runtime->buffer + runtime->hw_ptr, count1);  in __snd_rawmidi_transmit_peek()
1096 		count -= count1;  in __snd_rawmidi_transmit_peek()
1097 		result += count1;  in __snd_rawmidi_transmit_peek()
1099 			if (count > (int)(runtime->buffer_size - runtime->avail - count1))  in __snd_rawmidi_transmit_peek()
1100 				count = runtime->buffer_size - runtime->avail - count1;  in __snd_rawmidi_transmit_peek()
1101 			memcpy(buffer + count1, runtime->buffer, count);  in __snd_rawmidi_transmit_peek()
1229 	long count1, result;  in snd_rawmidi_kernel_write1()  local
1247 		count1 = runtime->buffer_size - runtime->appl_ptr;  in snd_rawmidi_kernel_write1()
1248 		if (count1 > count)  in snd_rawmidi_kernel_write1()
1249 			count1 = count;  in snd_rawmidi_kernel_write1()
1250 		if (count1 > (long)runtime->avail)  in snd_rawmidi_kernel_write1()
1251 			count1 = runtime->avail;  in snd_rawmidi_kernel_write1()
1255 		runtime->appl_ptr += count1;  in snd_rawmidi_kernel_write1()
1257 		runtime->avail -= count1;  in snd_rawmidi_kernel_write1()
1261 			       kernelbuf + result, count1);  in snd_rawmidi_kernel_write1()
1265 					   userbuf + result, count1)) {  in snd_rawmidi_kernel_write1()
1272 		result += count1;  in snd_rawmidi_kernel_write1()
1273 		count -= count1;  in snd_rawmidi_kernel_write1()
1276 	count1 = runtime->avail < runtime->buffer_size;  in snd_rawmidi_kernel_write1()
1278 	if (count1)  in snd_rawmidi_kernel_write1()
1294 	int count1;  in snd_rawmidi_write()  local
1329 		count1 = snd_rawmidi_kernel_write1(substream, buf, NULL, count);  in snd_rawmidi_write()
1330 		if (count1 < 0)  in snd_rawmidi_write()
1331 			return result > 0 ? result : count1;  in snd_rawmidi_write()
1332 		result += count1;  in snd_rawmidi_write()
1333 		buf += count1;  in snd_rawmidi_write()
1334 		if ((size_t)count1 < count && (file->f_flags & O_NONBLOCK))  in snd_rawmidi_write()
1336 		count -= count1;  in snd_rawmidi_write()