提交 7657e20e 编写于 作者: B Brian Gerst 提交者: Linus Torvalds

[PATCH] Fix warning in powernow-k8.c

powernow-k8.c: In function `query_current_values_with_pending_wait':
powernow-k8.c:110: warning: `hi' may be used uninitialized in this function
Signed-off-by: NBrian Gerst <bgerst@didntduck.org>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 bbaf3641
......@@ -110,14 +110,13 @@ static int query_current_values_with_pending_wait(struct powernow_k8_data *data)
u32 lo, hi;
u32 i = 0;
lo = MSR_S_LO_CHANGE_PENDING;
while (lo & MSR_S_LO_CHANGE_PENDING) {
do {
if (i++ > 0x1000000) {
printk(KERN_ERR PFX "detected change pending stuck\n");
return 1;
}
rdmsr(MSR_FIDVID_STATUS, lo, hi);
}
} while (lo & MSR_S_LO_CHANGE_PENDING);
data->currvid = hi & MSR_S_HI_CURRENT_VID;
data->currfid = lo & MSR_S_LO_CURRENT_FID;
......
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