893 	int result = 0, count1;  in snd_rawmidi_receive()  local
916 		count1 = runtime->buffer_size - runtime->hw_ptr;  in snd_rawmidi_receive()
917 		if (count1 > count)  in snd_rawmidi_receive()
918 			count1 = count;  in snd_rawmidi_receive()
919 		if (count1 > (int)(runtime->buffer_size - runtime->avail))  in snd_rawmidi_receive()
920 			count1 = runtime->buffer_size - runtime->avail;  in snd_rawmidi_receive()
921 		memcpy(runtime->buffer + runtime->hw_ptr, buffer, count1);  in snd_rawmidi_receive()
922 		runtime->hw_ptr += count1;  in snd_rawmidi_receive()
924 		runtime->avail += count1;  in snd_rawmidi_receive()
925 		count -= count1;  in snd_rawmidi_receive()
926 		result += count1;  in snd_rawmidi_receive()
928 			buffer += count1;  in snd_rawmidi_receive()
929 			count1 = count;  in snd_rawmidi_receive()
930 			if (count1 > (int)(runtime->buffer_size - runtime->avail)) {  in snd_rawmidi_receive()
931 				count1 = runtime->buffer_size - runtime->avail;  in snd_rawmidi_receive()
932 				runtime->xruns += count - count1;  in snd_rawmidi_receive()
934 			if (count1 > 0) {  in snd_rawmidi_receive()
935 				memcpy(runtime->buffer, buffer, count1);  in snd_rawmidi_receive()
936 				runtime->hw_ptr = count1;  in snd_rawmidi_receive()
937 				runtime->avail += count1;  in snd_rawmidi_receive()
938 				result += count1;  in snd_rawmidi_receive()
958 	long result = 0, count1;  in snd_rawmidi_kernel_read1()  local
964 		count1 = runtime->buffer_size - runtime->appl_ptr;  in snd_rawmidi_kernel_read1()
965 		if (count1 > count)  in snd_rawmidi_kernel_read1()
966 			count1 = count;  in snd_rawmidi_kernel_read1()
967 		if (count1 > (int)runtime->avail)  in snd_rawmidi_kernel_read1()
968 			count1 = runtime->avail;  in snd_rawmidi_kernel_read1()
972 		runtime->appl_ptr += count1;  in snd_rawmidi_kernel_read1()
974 		runtime->avail -= count1;  in snd_rawmidi_kernel_read1()
977 			memcpy(kernelbuf + result, runtime->buffer + appl_ptr, count1);  in snd_rawmidi_kernel_read1()
981 					 runtime->buffer + appl_ptr, count1)) {  in snd_rawmidi_kernel_read1()
986 		result += count1;  in snd_rawmidi_kernel_read1()
987 		count -= count1;  in snd_rawmidi_kernel_read1()
1005 	int count1;  in snd_rawmidi_read()  local
1041 		count1 = snd_rawmidi_kernel_read1(substream,  in snd_rawmidi_read()
1045 		if (count1 < 0)  in snd_rawmidi_read()
1046 			return result > 0 ? result : count1;  in snd_rawmidi_read()
1047 		result += count1;  in snd_rawmidi_read()
1048 		buf += count1;  in snd_rawmidi_read()
1049 		count -= count1;  in snd_rawmidi_read()
1089 	int result, count1;  in __snd_rawmidi_transmit_peek()  local
1106 		count1 = runtime->buffer_size - runtime->hw_ptr;  in __snd_rawmidi_transmit_peek()
1107 		if (count1 > count)  in __snd_rawmidi_transmit_peek()
1108 			count1 = count;  in __snd_rawmidi_transmit_peek()
1109 		if (count1 > (int)(runtime->buffer_size - runtime->avail))  in __snd_rawmidi_transmit_peek()
1110 			count1 = runtime->buffer_size - runtime->avail;  in __snd_rawmidi_transmit_peek()
1111 		memcpy(buffer, runtime->buffer + runtime->hw_ptr, count1);  in __snd_rawmidi_transmit_peek()
1112 		count -= count1;  in __snd_rawmidi_transmit_peek()
1113 		result += count1;  in __snd_rawmidi_transmit_peek()
1115 			if (count > (int)(runtime->buffer_size - runtime->avail - count1))  in __snd_rawmidi_transmit_peek()
1116 				count = runtime->buffer_size - runtime->avail - count1;  in __snd_rawmidi_transmit_peek()
1117 			memcpy(buffer + count1, runtime->buffer, count);  in __snd_rawmidi_transmit_peek()
1245 	long count1, result;  in snd_rawmidi_kernel_write1()  local
1263 		count1 = runtime->buffer_size - runtime->appl_ptr;  in snd_rawmidi_kernel_write1()
1264 		if (count1 > count)  in snd_rawmidi_kernel_write1()
1265 			count1 = count;  in snd_rawmidi_kernel_write1()
1266 		if (count1 > (long)runtime->avail)  in snd_rawmidi_kernel_write1()
1267 			count1 = runtime->avail;  in snd_rawmidi_kernel_write1()
1271 		runtime->appl_ptr += count1;  in snd_rawmidi_kernel_write1()
1273 		runtime->avail -= count1;  in snd_rawmidi_kernel_write1()
1277 			       kernelbuf + result, count1);  in snd_rawmidi_kernel_write1()
1281 					   userbuf + result, count1)) {  in snd_rawmidi_kernel_write1()
1288 		result += count1;  in snd_rawmidi_kernel_write1()
1289 		count -= count1;  in snd_rawmidi_kernel_write1()
1292 	count1 = runtime->avail < runtime->buffer_size;  in snd_rawmidi_kernel_write1()
1294 	if (count1)  in snd_rawmidi_kernel_write1()
1310 	int count1;  in snd_rawmidi_write()  local
1346 		count1 = snd_rawmidi_kernel_write1(substream, buf, NULL, count);  in snd_rawmidi_write()
1347 		if (count1 < 0)  in snd_rawmidi_write()
1348 			return result > 0 ? result : count1;  in snd_rawmidi_write()
1349 		result += count1;  in snd_rawmidi_write()
1350 		buf += count1;  in snd_rawmidi_write()
1351 		if ((size_t)count1 < count && (file->f_flags & O_NONBLOCK))  in snd_rawmidi_write()
1353 		count -= count1;  in snd_rawmidi_write()