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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-08 02:14:53 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-08 02:14:53 +0400
commit292088ee032d0df59e7c8a7a00e9b97260146078 (patch)
tree99e5eee404285d4e2b6d282113cccee58236580f /drivers/s390
parentbc2d968f0ec698c66750e0ad1c1d35568fe93c05 (diff)
parent254844d3b9959b52fedf2f22810cc66e82a1ca16 (diff)
downloadlinux-292088ee032d0df59e7c8a7a00e9b97260146078.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull more vfs updates from Al Viro: "A couple of fixes + getting rid of __blkdev_put() return value" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: proc: Use PDE attribute setting accessor functions make blkdev_put() return void block_device_operations->release() should return void mtd_blktrans_ops->release() should return void hfs: SMP race on directory close()
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/block/dasd.c18
-rw-r--r--drivers/s390/block/dcssblk.c12
-rw-r--r--drivers/s390/block/scm_blk.c3
3 files changed, 12 insertions, 21 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 82758cbb220b..4361d9772c42 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2997,18 +2997,14 @@ unlock:
return rc;
}
-static int dasd_release(struct gendisk *disk, fmode_t mode)
+static void dasd_release(struct gendisk *disk, fmode_t mode)
{
- struct dasd_device *base;
-
- base = dasd_device_from_gendisk(disk);
- if (!base)
- return -ENODEV;
-
- atomic_dec(&base->block->open_count);
- module_put(base->discipline->owner);
- dasd_put_device(base);
- return 0;
+ struct dasd_device *base = dasd_device_from_gendisk(disk);
+ if (base) {
+ atomic_dec(&base->block->open_count);
+ module_put(base->discipline->owner);
+ dasd_put_device(base);
+ }
}
/*
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index b6ad0de07930..07ba32b07fb0 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -26,7 +26,7 @@
#define DCSS_BUS_ID_SIZE 20
static int dcssblk_open(struct block_device *bdev, fmode_t mode);
-static int dcssblk_release(struct gendisk *disk, fmode_t mode);
+static void dcssblk_release(struct gendisk *disk, fmode_t mode);
static void dcssblk_make_request(struct request_queue *q, struct bio *bio);
static int dcssblk_direct_access(struct block_device *bdev, sector_t secnum,
void **kaddr, unsigned long *pfn);
@@ -781,16 +781,15 @@ out:
return rc;
}
-static int
+static void
dcssblk_release(struct gendisk *disk, fmode_t mode)
{
struct dcssblk_dev_info *dev_info = disk->private_data;
struct segment_info *entry;
- int rc;
if (!dev_info) {
- rc = -ENODEV;
- goto out;
+ WARN_ON(1);
+ return;
}
down_write(&dcssblk_devices_sem);
if (atomic_dec_and_test(&dev_info->use_count)
@@ -803,9 +802,6 @@ dcssblk_release(struct gendisk *disk, fmode_t mode)
dev_info->save_pending = 0;
}
up_write(&dcssblk_devices_sem);
- rc = 0;
-out:
- return rc;
}
static void
diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c
index b303cab76a7f..5d73e6e49af6 100644
--- a/drivers/s390/block/scm_blk.c
+++ b/drivers/s390/block/scm_blk.c
@@ -123,10 +123,9 @@ static int scm_open(struct block_device *blkdev, fmode_t mode)
return scm_get_ref();
}
-static int scm_release(struct gendisk *gendisk, fmode_t mode)
+static void scm_release(struct gendisk *gendisk, fmode_t mode)
{
scm_put_ref();
- return 0;
}
static const struct block_device_operations scm_blk_devops = {