From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Backport Linux commit 5a1ab5c0299a. This is the clean backport without
any changes.
Fix the following fallthrough warning (arm64-randconfig with Clang):
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:382:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/lkml/60edca25.k00ut905IFBjPyt5%25lkp@intel.com/
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Origin: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5a1ab5c0299a
Signed-off-by: Rahul Singh <rahul.singh@arm.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
---
Changes in v4:
- Move Stefano Acked-by after Signed-off
Changes in v3:
- Added Stefano Acked-by.
Changes in v2:
- fix commit msg.
---
xen/drivers/passthrough/arm/smmu-v3.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/xen/drivers/passthrough/arm/smmu-v3.c b/xen/drivers/passthrough/arm/smmu-v3.c
index c47e7dea04..b8ca4b0a24 100644
--- a/xen/drivers/passthrough/arm/smmu-v3.c
+++ b/xen/drivers/passthrough/arm/smmu-v3.c
@@ -492,6 +492,7 @@ static void arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu)
switch (idx) {
case CMDQ_ERR_CERROR_ABT_IDX:
dev_err(smmu->dev, "retrying command fetch\n");
+ return;
case CMDQ_ERR_CERROR_NONE_IDX:
return;
case CMDQ_ERR_CERROR_ATC_INV_IDX:
--
2.25.1