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cpu_msrinfo(): Fix value of CPU_INVALID_VALUE in 'double' subfunctions

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It returns 0x7FFFFFFF instead of 0x3FFFFFFF
0x3FFFFFFF is a 29-bit value, but become a 36-bit value when multiplied by 100, causing a value out-of-range
This commit is contained in:
Xorg 2016-06-16 12:40:41 +02:00
parent c64f8bcc60
commit bc84f0c71d
1 changed files with 5 additions and 5 deletions
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10
libcpuid/rdmsr.c
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@ -616,7 +616,7 @@ static double get_info_min_multiplier(struct msr_driver_t* handle, struct cpu_id
if (!err) return reg;
}
return CPU_INVALID_VALUE;
return (double) CPU_INVALID_VALUE / 100;
}
static double get_info_cur_multiplier(struct msr_driver_t* handle, struct cpu_id_t *id,
@ -645,7 +645,7 @@ static double get_info_cur_multiplier(struct msr_driver_t* handle, struct cpu_id
if (!err) return reg;
}
return CPU_INVALID_VALUE;
return (double) CPU_INVALID_VALUE / 100;
}
static double get_info_max_multiplier(struct msr_driver_t* handle, struct cpu_id_t *id,
@ -685,7 +685,7 @@ static double get_info_max_multiplier(struct msr_driver_t* handle, struct cpu_id
if (!err) return reg;
}
return CPU_INVALID_VALUE;
return (double) CPU_INVALID_VALUE / 100;
}
static int get_info_temperature(struct msr_driver_t* handle, struct cpu_id_t *id,
@ -740,7 +740,7 @@ static double get_info_voltage(struct msr_driver_t* handle, struct cpu_id_t *id,
if (!err && MSR_PSTATE_0 + reg <= MSR_PSTATE_7) return 1.550 - 0.0125 * CpuVid;
}
return CPU_INVALID_VALUE;
return (double) CPU_INVALID_VALUE / 100;
}
static double get_info_bus_clock(struct msr_driver_t* handle, struct cpu_id_t *id,
@ -775,7 +775,7 @@ static double get_info_bus_clock(struct msr_driver_t* handle, struct cpu_id_t *i
if (!err) return (double) clock / reg;
}
return CPU_INVALID_VALUE;
return (double) CPU_INVALID_VALUE / 100;
}
int cpu_rdmsr_range(struct msr_driver_t* handle, uint32_t msr_index, uint8_t highbit,