lkml.org 
[lkml]   [2012]   [Aug]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 5/6] floppy: use disk_registered for checking if a drive is present
Date
Simplify/cleanup code, replacing remaining checks for drives present
using disk_registered array.

Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
drivers/block/floppy.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 3eafe93..381b9c1 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4114,9 +4114,7 @@ static struct platform_device floppy_device[N_DRIVE];
static struct kobject *floppy_find(dev_t dev, int *part, void *data)
{
int drive = (*part & 3) | ((*part & 0x80) >> 5);
- if (drive >= N_DRIVE ||
- !(allowed_drive_mask & (1 << drive)) ||
- fdc_state[FDC(drive)].version == FDC_NONE)
+ if (drive >= N_DRIVE || !disk_registered[drive])
return NULL;
if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type))
return NULL;
@@ -4561,8 +4559,7 @@ static void __exit floppy_module_exit(void)
for (drive = 0; drive < N_DRIVE; drive++) {
del_timer_sync(&motor_off_timer[drive]);

- if ((allowed_drive_mask & (1 << drive)) &&
- fdc_state[FDC(drive)].version != FDC_NONE) {
+ if (disk_registered[drive]) {
del_gendisk(disks[drive]);
device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos);
platform_device_unregister(&floppy_device[drive]);
@@ -4573,8 +4570,7 @@ static void __exit floppy_module_exit(void)
* These disks have not called add_disk(). Don't put down
* queue reference in put_disk().
*/
- if (!(allowed_drive_mask & (1 << drive)) ||
- fdc_state[FDC(drive)].version == FDC_NONE)
+ if (!disk_registered[drive])
disks[drive]->queue = NULL;

put_disk(disks[drive]);
--
1.7.9.5


\
 
 \ /
  Last update: 2012-08-13 21:03    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site