On Tue, Oct 22, 2013 at 07:04:37PM +0530, Rashika Kheria wrote: > As suggested by Jerome Marchand "The code in reset_store get the block device > (bdget_disk()) but it does not put it (bdput()) when it's done using it. > The usage count is therefor incremented but never decremented." > > Hence, this patch introduces a call to bdput() to decrement the variable after usage. > > Signed-off-by: Rashika Kheria <rashika.kheria@xxxxxxxxx> > --- > drivers/staging/zram/zram_drv.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c > index 8679a06..2cb33ab 100644 > --- a/drivers/staging/zram/zram_drv.c > +++ b/drivers/staging/zram/zram_drv.c > @@ -664,6 +664,7 @@ static ssize_t reset_store(struct device *dev, > > /* Make sure all pending I/O is finished */ > fsync_bdev(bdev); > + bdput(bdev); We should handle error case, too. And please put this bug fix patch ahead of [1/2] because this patch is more real bug fix than [1/2] which is just warning of smatch. Thanks. -- Kind regards, Minchan Kim _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel