From eabda52f217124ed48bdd34ac008f98a5cb1feb9 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Tue, 23 Aug 2022 15:34:08 +0100 Subject: [PATCH] xen/arm: smmuv3: Fix fall-through warning for Clang 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 Link: https://lore.kernel.org/lkml/60edca25.k00ut905IFBjPyt5%25lkp@intel.com/ Signed-off-by: Gustavo A. R. Silva Origin: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5a1ab5c0299a Signed-off-by: Rahul Singh Acked-by: Stefano Stabellini --- 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: -- 2.39.5