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Subject[tip:ras/core] x86/RAS/mce_amd_inj: Fix some W= warnings
Commit-ID:  7cc4ef8ed132e72ba44804cae3ddb2587ff757d6
Gitweb: http://git.kernel.org/tip/7cc4ef8ed132e72ba44804cae3ddb2587ff757d6
Author: Borislav Petkov <bp@suse.de>
AuthorDate: Mon, 12 Sep 2016 09:59:41 +0200
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 13 Sep 2016 15:23:14 +0200

x86/RAS/mce_amd_inj: Fix some W= warnings

In particular:

arch/x86/ras/mce_amd_inj.c: In function ‘prepare_msrs’:
arch/x86/ras/mce_amd_inj.c:249:13: warning: declaration of ‘i_mce’ shadows a global declaration [-Wshadow]
struct mce i_mce = *(struct mce *)info;
^~~~~

arch/x86/ras/mce_amd_inj.c: In function ‘init_mce_inject’:
arch/x86/ras/mce_amd_inj.c:453:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < ARRAY_SIZE(dfs_fls); i++) {

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/20160912075941.24699-16-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

---
arch/x86/ras/mce_amd_inj.c | 29 ++++++++++++++---------------
1 file changed, 14 insertions(+), 15 deletions(-)

diff --git a/arch/x86/ras/mce_amd_inj.c b/arch/x86/ras/mce_amd_inj.c
index f4b442c..cd318d9 100644
--- a/arch/x86/ras/mce_amd_inj.c
+++ b/arch/x86/ras/mce_amd_inj.c
@@ -246,28 +246,27 @@ static void toggle_nb_mca_mst_cpu(u16 nid)

static void prepare_msrs(void *info)
{
- struct mce i_mce = *(struct mce *)info;
- u8 b = i_mce.bank;
+ struct mce m = *(struct mce *)info;
+ u8 b = m.bank;

- wrmsrl(MSR_IA32_MCG_STATUS, i_mce.mcgstatus);
+ wrmsrl(MSR_IA32_MCG_STATUS, m.mcgstatus);

if (boot_cpu_has(X86_FEATURE_SMCA)) {
- if (i_mce.inject_flags == DFR_INT_INJ) {
- wrmsrl(MSR_AMD64_SMCA_MCx_DESTAT(b), i_mce.status);
- wrmsrl(MSR_AMD64_SMCA_MCx_DEADDR(b), i_mce.addr);
+ if (m.inject_flags == DFR_INT_INJ) {
+ wrmsrl(MSR_AMD64_SMCA_MCx_DESTAT(b), m.status);
+ wrmsrl(MSR_AMD64_SMCA_MCx_DEADDR(b), m.addr);
} else {
- wrmsrl(MSR_AMD64_SMCA_MCx_STATUS(b), i_mce.status);
- wrmsrl(MSR_AMD64_SMCA_MCx_ADDR(b), i_mce.addr);
+ wrmsrl(MSR_AMD64_SMCA_MCx_STATUS(b), m.status);
+ wrmsrl(MSR_AMD64_SMCA_MCx_ADDR(b), m.addr);
}

- wrmsrl(MSR_AMD64_SMCA_MCx_MISC(b), i_mce.misc);
- wrmsrl(MSR_AMD64_SMCA_MCx_SYND(b), i_mce.synd);
+ wrmsrl(MSR_AMD64_SMCA_MCx_MISC(b), m.misc);
+ wrmsrl(MSR_AMD64_SMCA_MCx_SYND(b), m.synd);
} else {
- wrmsrl(MSR_IA32_MCx_STATUS(b), i_mce.status);
- wrmsrl(MSR_IA32_MCx_ADDR(b), i_mce.addr);
- wrmsrl(MSR_IA32_MCx_MISC(b), i_mce.misc);
+ wrmsrl(MSR_IA32_MCx_STATUS(b), m.status);
+ wrmsrl(MSR_IA32_MCx_ADDR(b), m.addr);
+ wrmsrl(MSR_IA32_MCx_MISC(b), m.misc);
}
-
}

static void do_inject(void)
@@ -441,7 +440,7 @@ static struct dfs_node {

static int __init init_mce_inject(void)
{
- int i;
+ unsigned int i;
u64 cap;

rdmsrl(MSR_IA32_MCG_CAP, cap);
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