another IDE cleanup: kill duplicated code

[Pavel Machek <pavel@suse.cz>]

Hi!

This is slightly longer but also simple cleanup. It kills code
duplication and removes unneccessary assignments/casts. Please apply,

								Pavel

--- clean-pre3/drivers/ide/ide-disk.c	Sat Feb  9 23:00:02 2002
+++ linux-dm-pre3/drivers/ide/ide-disk.c	Sun Feb 10 00:06:31 2002
@@ -172,6 +167,16 @@
 		return WIN_NOP;
 }
 
+static void fill_args (ide_task_t *args, struct hd_drive_task_hdr *taskfile, struct hd_drive_hob_hdr *hobfile)
+{
+	memcpy(args->tfRegister, taskfile, sizeof(struct hd_drive_task_hdr));
+	memcpy(args->hobRegister, hobfile, sizeof(struct hd_drive_hob_hdr));
+	args->command_type	= ide_cmd_type_parser(args);
+	args->prehandler	= ide_pre_handler_parser(taskfile, hobfile);
+	args->handler		= ide_handler_parser(taskfile, hobfile);
+	args->posthandler	= NULL;
+}
+
 static ide_startstop_t chs_rw_disk (ide_drive_t *drive, struct request *rq, unsigned long block)
 {
 	struct hd_drive_task_hdr	taskfile;
@@ -210,16 +215,10 @@
 	printk("buffer=0x%08lx\n", (unsigned long) rq->buffer);
 #endif
 
-	memcpy(args.tfRegister, &taskfile, sizeof(struct hd_drive_task_hdr));
-	memcpy(args.hobRegister, &hobfile, sizeof(struct hd_drive_hob_hdr));
-	args.command_type	= ide_cmd_type_parser(&args);
-	args.prehandler		= ide_pre_handler_parser(&taskfile, &hobfile);
-	args.handler		= ide_handler_parser(&taskfile, &hobfile);
-	args.posthandler	= NULL;
-	args.rq			= (struct request *) rq;
+	fill_args(&args, &taskfile, &hobfile);
+	args.rq			= rq;
 	args.block		= block;
-	rq->special		= NULL;
-	rq->special		= (ide_task_t *)&args;
+	rq->special		= &args;
 
 	return do_rw_taskfile(drive, &args);
 }
@@ -257,16 +255,10 @@
 	printk("buffer=0x%08lx\n", (unsigned long) rq->buffer);
 #endif
 
-	memcpy(args.tfRegister, &taskfile, sizeof(struct hd_drive_task_hdr));
-	memcpy(args.hobRegister, &hobfile, sizeof(struct hd_drive_hob_hdr));
-	args.command_type	= ide_cmd_type_parser(&args);
-	args.prehandler		= ide_pre_handler_parser(&taskfile, &hobfile);
-	args.handler		= ide_handler_parser(&taskfile, &hobfile);
-	args.posthandler	= NULL;
-	args.rq			= (struct request *) rq;
+	fill_args(&args, &taskfile, &hobfile);
+	args.rq			= rq;
 	args.block		= block;
-	rq->special		= NULL;
-	rq->special		= (ide_task_t *)&args;
+	rq->special		= &args;
 
 	return do_rw_taskfile(drive, &args);
 }
@@ -321,16 +313,10 @@
 	printk("buffer=0x%08lx\n", (unsigned long) rq->buffer);
 #endif
 
-	memcpy(args.tfRegister, &taskfile, sizeof(struct hd_drive_task_hdr));
-	memcpy(args.hobRegister, &hobfile, sizeof(struct hd_drive_hob_hdr));
-	args.command_type	= ide_cmd_type_parser(&args);
-	args.prehandler		= ide_pre_handler_parser(&taskfile, &hobfile);
-	args.handler		= ide_handler_parser(&taskfile, &hobfile);
-	args.posthandler	= NULL;
-	args.rq			= (struct request *) rq;
+	fill_args(&args, &taskfile, &hobfile);
+	args.rq			= rq;
 	args.block		= block;
-	rq->special		= NULL;
-	rq->special		= (ide_task_t *)&args;
+	rq->special		= &args;
 
 	return do_rw_taskfile(drive, &args);
 }

-- 
(about SSSCA) "I don't say this lightly.  However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa