On Sun, May 19, 2013 at 09:30:41PM +0300, Dan Carpenter wrote:
> On Sun, May 19, 2013 at 09:44:42AM -0500, Dimitri Sivanich wrote:
> > 
> > Since we're here, maybe we should neaten this up a little?
> > 
> > Signed-off-by: Dimitri Sivanich <sivan...@sgi.com>
> > ---
> >  drivers/misc/sgi-gru/grufault.c |    5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > Index: linux/drivers/misc/sgi-gru/grufault.c
> > ===================================================================
> > --- linux.orig/drivers/misc/sgi-gru/grufault.c
> > +++ linux/drivers/misc/sgi-gru/grufault.c
> > @@ -876,8 +876,9 @@ int gru_set_context_option(unsigned long
> >     switch (req.op) {
> >     case sco_blade_chiplet:
> >             /* Select blade/chiplet for GRU context */
> > -           if (req.val1 < -1 || req.val1 >= GRU_MAX_BLADES || 
> > !gru_base[req.val1] ||
> > -               req.val0 < -1 || req.val0 >= GRU_CHIPLETS_PER_HUB) {
> > +           if (req.val0 < -1 || req.val0 >= GRU_CHIPLETS_PER_HUB ||
> > +                   req.val1 < -1 || req.val1 >= GRU_MAX_BLADES ||
> > +                   (req.val1 >= 0 && !gru_base[req.val1])) {
> >                     ret = -EINVAL;
> 
> I generally prefer how in the original code all the sub conditions
> were aligned nicely but I will Ack your version as well.  Thanks.
> 

I guess I'd have to agree.  How about this?

Signed-off-by: Dimitri Sivanich <sivan...@sgi.com>
---
 drivers/misc/sgi-gru/grufault.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux/drivers/misc/sgi-gru/grufault.c
===================================================================
--- linux.orig/drivers/misc/sgi-gru/grufault.c
+++ linux/drivers/misc/sgi-gru/grufault.c
@@ -876,8 +876,9 @@ int gru_set_context_option(unsigned long
        switch (req.op) {
        case sco_blade_chiplet:
                /* Select blade/chiplet for GRU context */
-               if (req.val1 < -1 || req.val1 >= GRU_MAX_BLADES || 
!gru_base[req.val1] ||
-                   req.val0 < -1 || req.val0 >= GRU_CHIPLETS_PER_HUB) {
+               if (req.val0 < -1 || req.val0 >= GRU_CHIPLETS_PER_HUB ||
+                   req.val1 < -1 || req.val1 >= GRU_MAX_BLADES ||
+                   (req.val1 >= 0 && !gru_base[req.val1])) {
                        ret = -EINVAL;
                } else {
                        gts->ts_user_blade_id = req.val1;
--
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