From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: [PATCH 1/3] iommu: Return ERR_PTR() values from device_group call-backs Date: Wed, 28 Jun 2017 14:00:56 +0200 Message-ID: <1498651258-23700-1-git-send-email-joro@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: Joerg Roedel , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Gerald Schaefer List-Id: iommu@lists.linux-foundation.org From: Joerg Roedel The generic device_group call-backs in iommu.c return NULL in case of error. Since they are getting ERR_PTR values from iommu_group_alloc(), just pass them up instead. Reported-by: Gerald Schaefer Signed-off-by: Joerg Roedel --- drivers/iommu/iommu.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index cf7ca7e..de09e1e 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -915,13 +915,7 @@ static int get_pci_alias_or_group(struct pci_dev *pdev, u16 alias, void *opaque) */ struct iommu_group *generic_device_group(struct device *dev) { - struct iommu_group *group; - - group = iommu_group_alloc(); - if (IS_ERR(group)) - return NULL; - - return group; + return iommu_group_alloc(); } /* @@ -988,11 +982,7 @@ struct iommu_group *pci_device_group(struct device *dev) return group; /* No shared group found, allocate new */ - group = iommu_group_alloc(); - if (IS_ERR(group)) - return NULL; - - return group; + return iommu_group_alloc(); } /** -- 2.7.4