From 6ec5ff4bc3a90b7716eadc4c8a686e904131f03a Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Fri, 20 May 2011 16:13:00 -0300 Subject: [PATCH] x86: Eliminate various 'set but not used' warnings Signed-off-by: Gustavo F. Padovan Cc: Joerg Roedel (supporter:AMD IOMMU (AMD-VI)) Cc: iommu@lists.linux-foundation.org (open list:AMD IOMMU (AMD-VI)) Link: http://lkml.kernel.org/r/1305918786-7239-3-git-send-email-padovan@profusion.mobi Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 5 +---- arch/x86/kernel/test_nx.c | 2 +- arch/x86/mm/pf_in.c | 14 +++----------- 3 files changed, 5 insertions(+), 16 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 873e7e1ead7b..cd8cbeb5fa34 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1538,13 +1538,11 @@ static void do_detach(struct device *dev) { struct iommu_dev_data *dev_data; struct amd_iommu *iommu; - struct pci_dev *pdev; u16 devid; devid = get_device_id(dev); iommu = amd_iommu_rlookup_table[devid]; dev_data = get_dev_data(dev); - pdev = to_pci_dev(dev); /* decrease reference counters */ dev_data->domain->dev_iommu[iommu->index] -= 1; @@ -1703,10 +1701,9 @@ static struct protection_domain *domain_for_device(struct device *dev) struct protection_domain *dom; struct iommu_dev_data *dev_data, *alias_data; unsigned long flags; - u16 devid, alias; + u16 devid; devid = get_device_id(dev); - alias = amd_iommu_alias_table[devid]; dev_data = get_dev_data(dev); alias_data = get_dev_data(dev_data->alias); if (!alias_data) diff --git a/arch/x86/kernel/test_nx.c b/arch/x86/kernel/test_nx.c index 787a5e499dd1..3f92ce07e525 100644 --- a/arch/x86/kernel/test_nx.c +++ b/arch/x86/kernel/test_nx.c @@ -161,7 +161,7 @@ static int test_NX(void) } #endif - return 0; + return ret; } static void test_exit(void) diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c index 38e6d174c497..9f0614daea85 100644 --- a/arch/x86/mm/pf_in.c +++ b/arch/x86/mm/pf_in.c @@ -414,22 +414,17 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs) unsigned char *p; struct prefix_bits prf; int i; - unsigned long rv; p = (unsigned char *)ins_addr; p += skip_prefix(p, &prf); p += get_opcode(p, &opcode); for (i = 0; i < ARRAY_SIZE(reg_rop); i++) - if (reg_rop[i] == opcode) { - rv = REG_READ; + if (reg_rop[i] == opcode) goto do_work; - } for (i = 0; i < ARRAY_SIZE(reg_wop); i++) - if (reg_wop[i] == opcode) { - rv = REG_WRITE; + if (reg_wop[i] == opcode) goto do_work; - } printk(KERN_ERR "mmiotrace: Not a register instruction, opcode " "0x%02x\n", opcode); @@ -474,16 +469,13 @@ unsigned long get_ins_imm_val(unsigned long ins_addr) unsigned char *p; struct prefix_bits prf; int i; - unsigned long rv; p = (unsigned char *)ins_addr; p += skip_prefix(p, &prf); p += get_opcode(p, &opcode); for (i = 0; i < ARRAY_SIZE(imm_wop); i++) - if (imm_wop[i] == opcode) { - rv = IMM_WRITE; + if (imm_wop[i] == opcode) goto do_work; - } printk(KERN_ERR "mmiotrace: Not an immediate instruction, opcode " "0x%02x\n", opcode); -- 2.34.1