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authorArnd Bergmann <arnd@arndb.de>2012-02-28 16:42:14 +0400
committerArnd Bergmann <arnd@arndb.de>2012-02-28 16:42:21 +0400
commitfb0b82b32ce17564bc64cede50bf4a3204eecc60 (patch)
tree00b5e466074c6fb373d64c493b3341186024acc7 /drivers/block/floppy.c
parenta173fc693b25216c5c834978f4fafd731fd4ff94 (diff)
parent43de6a7dda6e9a7345e218e688f2092f991126f0 (diff)
downloadlinux-fb0b82b32ce17564bc64cede50bf4a3204eecc60.tar.xz
Merge branch 'board-specific' of git://github.com/hzhuang1/linux into next/boards
* 'board-specific' of git://github.com/hzhuang1/linux: (5 commits) ARM: pxa: add dummy clock for pxa25x and pxa27x ARM: mmp: append irq name of gpio device pxa/hx4700: Fix PXA_GPIO_IRQ_BASE/IRQ_NUM values pxa/hx4700: Add ASIC3 LED support pxa/hx4700: Correct StrataFlash block size discovery (update to v3.3-rc5)
Diffstat (limited to 'drivers/block/floppy.c')
-rw-r--r--drivers/block/floppy.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 510fb10ec45a..9baf11e86362 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4368,8 +4368,14 @@ out_unreg_blkdev:
out_put_disk:
while (dr--) {
del_timer_sync(&motor_off_timer[dr]);
- if (disks[dr]->queue)
+ if (disks[dr]->queue) {
blk_cleanup_queue(disks[dr]->queue);
+ /*
+ * put_disk() is not paired with add_disk() and
+ * will put queue reference one extra time. fix it.
+ */
+ disks[dr]->queue = NULL;
+ }
put_disk(disks[dr]);
}
return err;
@@ -4579,6 +4585,15 @@ static void __exit floppy_module_exit(void)
platform_device_unregister(&floppy_device[drive]);
}
blk_cleanup_queue(disks[drive]->queue);
+
+ /*
+ * 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)
+ disks[drive]->queue = NULL;
+
put_disk(disks[drive]);
}