> -----Original Message----- > From: iommu-bounces@xxxxxxxxxxxxxxxxxxxxxxxxxx [mailto:iommu- > bounces@xxxxxxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Fabian Frederick > Sent: Sunday, June 29, 2014 1:31 PM > To: linux-kernel@xxxxxxxxxxxxxxx > Cc: Fabian Frederick; Grant Likely; iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx; > devicetree@xxxxxxxxxxxxxxx > Subject: [PATCH 1/1] iommu/fsl_pamu: Remove unnecessary null test before > kfree > > Fix checkpatch warning: > WARNING: kfree(NULL) is safe this check is probably not required > > Cc: Joerg Roedel <joro@xxxxxxxxxx> > Cc: Grant Likely <grant.likely@xxxxxxxxxx> > Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx> > --- > drivers/iommu/fsl_pamu_domain.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/iommu/fsl_pamu_domain.c > b/drivers/iommu/fsl_pamu_domain.c index 93072ba..0009dff 100644 > --- a/drivers/iommu/fsl_pamu_domain.c > +++ b/drivers/iommu/fsl_pamu_domain.c > @@ -1118,8 +1118,7 @@ static int fsl_pamu_set_windows(struct iommu_domain > *domain, u32 w_count) > ret = pamu_set_domain_geometry(dma_domain, &domain->geometry, > ((w_count > 1) ? w_count : 0)); > if (!ret) { > - if (dma_domain->win_arr) > - kfree(dma_domain->win_arr); > + kfree(dma_domain->win_arr); > dma_domain->win_arr = kzalloc(sizeof(struct dma_window) * > w_count, GFP_ATOMIC); > if (!dma_domain->win_arr) { Acked-by: Varun Sethi <varun.sethi@xxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html