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authorGustavo F. Padovan <padovan@profusion.mobi>2011-05-20 16:13:00 -0300
committerIngo Molnar <mingo@elte.hu>2011-05-21 19:10:33 +0200
commit6ec5ff4bc3a90b7716eadc4c8a686e904131f03a (patch)
tree3646a4ce8405c8a8d50689ac5a5752becb052928 /arch/x86
parent1d487624fcc17a40aa67acaa9e8f3815fb7cd0f0 (diff)
downloadtalos-obmc-linux-6ec5ff4bc3a90b7716eadc4c8a686e904131f03a.tar.gz
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x86: Eliminate various 'set but not used' warnings
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi> Cc: Joerg Roedel <joerg.roedel@amd.com> (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 <mingo@elte.hu>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/amd_iommu.c5
-rw-r--r--arch/x86/kernel/test_nx.c2
-rw-r--r--arch/x86/mm/pf_in.c14
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);
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