diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-05-05 21:52:57 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-05-07 02:16:21 -0400 |
| commit | db2a144bedd58b3dcf19950c2f476c58c9f39d18 (patch) | |
| tree | 931f1b5a8e6bafe388b317bce02a9fd9af309d38 /drivers/block/paride/pf.c | |
| parent | a8ca889ed9585894d53fd8919d80cbe8baff09e7 (diff) | |
block_device_operations->release() should return void
The value passed is 0 in all but "it can never happen" cases (and those
only in a couple of drivers) *and* it would've been lost on the way
out anyway, even if something tried to pass something meaningful.
Just don't bother.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/block/paride/pf.c')
| -rw-r--r-- | drivers/block/paride/pf.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c index ec8f9ed6326e..f5c86d523ba0 100644 --- a/drivers/block/paride/pf.c +++ b/drivers/block/paride/pf.c @@ -211,7 +211,7 @@ static int pf_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg); static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo); -static int pf_release(struct gendisk *disk, fmode_t mode); +static void pf_release(struct gendisk *disk, fmode_t mode); static int pf_detect(void); static void do_pf_read(void); @@ -360,14 +360,15 @@ static int pf_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, u return 0; } -static int pf_release(struct gendisk *disk, fmode_t mode) +static void pf_release(struct gendisk *disk, fmode_t mode) { struct pf_unit *pf = disk->private_data; mutex_lock(&pf_mutex); if (pf->access <= 0) { mutex_unlock(&pf_mutex); - return -EINVAL; + WARN_ON(1); + return; } pf->access--; @@ -376,8 +377,6 @@ static int pf_release(struct gendisk *disk, fmode_t mode) pf_lock(pf, 0); mutex_unlock(&pf_mutex); - return 0; - } static unsigned int pf_check_events(struct gendisk *disk, unsigned int clearing) |