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k10temp:

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- fixed crash when there was no device.

git-svn-id: svn://kolibrios.org@9144 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
turbocat 2021-08-19 20:26:35 +00:00
parent 7126f01a79
commit 7fed66e496
1 changed files with 11 additions and 8 deletions
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19
drivers/sensors/k10temp/k10temp.c
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@ -28,7 +28,9 @@
#include <asm/processor.h>
struct cpuinfo_x86 boot_cpu_data;
bool force;
extern void init_amd_nbs(void);
#define KERNEL_SPACE 0x80000000
/* CPUID function 0x80000001, ebx */
#define CPUID_PKGTYPE_MASK GENMASK(31, 28)
@ -166,7 +168,6 @@ long get_raw_temp(struct k10temp_data *data)
{
u32 regval;
long temp;
//printk("b30\n");
data->read_tempreg(data->pdev, &regval);
temp = (regval >> ZEN_CUR_TEMP_SHIFT) * 125;
if (regval & data->temp_adjust_mask)
@ -534,19 +535,21 @@ void read_all_info(struct device* dev){
}
int __stdcall service_proc(ioctl_t *my_ctl){
if(!my_ctl || !my_ctl->output){
return 1;
if(!my_ctl || !my_ctl->output || (int)my_ctl->output>=KERNEL_SPACE-sizeof(k10temp_out)){
printk("k10temp: Bad address for writing data!\n");
return 0;
}
read_all_info(&k10temp_device);
if(my_ctl->out_size == sizeof(k10temp_out)){
memcpy(my_ctl->output, &k10temp_out, sizeof(k10temp_out));
return 0;
}
printk("k10temp: Invalid buffer length!\n");
return 1;
}
extern void init_amd_nbs(void);
uint32_t drvEntry(int action, char *cmdline){
if(action != 1){
return 0;
@ -560,14 +563,14 @@ uint32_t drvEntry(int action, char *cmdline){
err = enum_pci_devices();
if(unlikely(err != 0)) {
printk("k10temp: Device enumeration failed!\n");
return -1;
return 0;
}
k10temp_id = find_pci_device(&device, k10temp_id_table);
if(unlikely(k10temp_id == NULL)){
printk("k10temp: Device not found!\n");
return -ENODEV;
return 0;
}
init_amd_nbs();