On 4/14/21 4:17 AM, Tian Tao wrote: > ccp_dev_suspend and ccp_dev_resume return 0 on error, which causes > ret to equal 0 in sp_suspend and sp_resume, making the if condition > impossible to use. Why do you think that is an error and why do you think it should return -ENXIO? Since ccp_dev_suspend() and ccp_dev_resume() only return 0 it might be a more appropriate fix to have these be void functions and eliminate the if condition in sp_suspend() and sp_resume(). Thanks, Tom > > Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx> > --- > drivers/crypto/ccp/ccp-dev.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c > index 0971ee6..6f2af7b 100644 > --- a/drivers/crypto/ccp/ccp-dev.c > +++ b/drivers/crypto/ccp/ccp-dev.c > @@ -556,7 +556,7 @@ int ccp_dev_suspend(struct sp_device *sp) > > /* If there's no device there's nothing to do */ > if (!ccp) > - return 0; > + return -ENXIO; > > spin_lock_irqsave(&ccp->cmd_lock, flags); > > @@ -584,7 +584,7 @@ int ccp_dev_resume(struct sp_device *sp) > > /* If there's no device there's nothing to do */ > if (!ccp) > - return 0; > + return -ENXIO; > > spin_lock_irqsave(&ccp->cmd_lock, flags); > >
