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>
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 78feda9..e38cfe7 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1484,7 +1484,7 @@
struct block_device_operations {
int (*open) (struct block_device *, fmode_t);
- int (*release) (struct gendisk *, fmode_t);
+ void (*release) (struct gendisk *, fmode_t);
int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
int (*direct_access) (struct block_device *, sector_t,