From: Qian Cai Date: Mon, 17 Jun 2019 13:20:27 +0000 (-0400) Subject: iommu/vt-d: Remove an unused variable "length" X-Git-Tag: v5.3-rc1~172^2~3 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=42db7c6a404b21dafd3288ffa43136da562490ac;p=linux.git iommu/vt-d: Remove an unused variable "length" The linux-next commit "iommu/vt-d: Duplicate iommu_resv_region objects per device list" [1] left out an unused variable, drivers/iommu/intel-iommu.c: In function 'dmar_parse_one_rmrr': drivers/iommu/intel-iommu.c:4014:9: warning: variable 'length' set but not used [-Wunused-but-set-variable] [1] https://lore.kernel.org/patchwork/patch/1083073/ Signed-off-by: Qian Cai Reviewed-by: Eric Auger Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 466129e7e50c..1b89c3407251 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4018,7 +4018,6 @@ int __init dmar_parse_one_rmrr(struct acpi_dmar_header *header, void *arg) { struct acpi_dmar_reserved_memory *rmrr; struct dmar_rmrr_unit *rmrru; - size_t length; rmrru = kzalloc(sizeof(*rmrru), GFP_KERNEL); if (!rmrru) @@ -4029,8 +4028,6 @@ int __init dmar_parse_one_rmrr(struct acpi_dmar_header *header, void *arg) rmrru->base_address = rmrr->base_address; rmrru->end_address = rmrr->end_address; - length = rmrr->end_address - rmrr->base_address + 1; - rmrru->devices = dmar_alloc_dev_scope((void *)(rmrr + 1), ((void *)rmrr) + rmrr->header.length, &rmrru->devices_cnt);