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- Fix thermal shutdown after a suspend/resume due to a wrong TCC value 

restored on Intel platform (Antoine Tenart)
 
 - Fix potential buffer overflow when building the list of
   policies. The buffer size is not updated after writing to it (Dan
   Carpenter)
 
 - Fix wrong check against IS_ERR instead of NULL (Ansuel Smith)
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Merge tag 'thermal-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux

Pull thermal fixes from Daniel Lezcano:

 - Fix thermal shutdown after a suspend/resume due to a wrong TCC value
   restored on Intel platform (Antoine Tenart)

 - Fix potential buffer overflow when building the list of policies. The
   buffer size is not updated after writing to it (Dan Carpenter)

 - Fix wrong check against IS_ERR instead of NULL (Ansuel Smith)

* tag 'thermal-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
  thermal/drivers/tsens: Fix wrong check for tzd in irq handlers
  thermal/core: Potential buffer overflow in thermal_build_list_of_policies()
  thermal/drivers/int340x: Do not set a wrong tcc offset on resume
This commit is contained in:
Linus Torvalds 2021-09-26 12:11:58 -07:00
parent 5bb7b2107f cf96921876
commit 299d6e47e8
3 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
View File

@ -107,7 +107,7 @@ static int tcc_offset_update(unsigned int tcc)
return 0;
}
static unsigned int tcc_offset_save;
static int tcc_offset_save = -1;
static ssize_t tcc_offset_degree_celsius_store(struct device *dev,
struct device_attribute *attr, const char *buf,
@ -352,7 +352,8 @@ int proc_thermal_resume(struct device *dev)
proc_dev = dev_get_drvdata(dev);
proc_thermal_read_ppcc(proc_dev);
tcc_offset_update(tcc_offset_save);
if (tcc_offset_save >= 0)
tcc_offset_update(tcc_offset_save);
return 0;
}

4
drivers/thermal/qcom/tsens.c
View File

@ -417,7 +417,7 @@ static irqreturn_t tsens_critical_irq_thread(int irq, void *data)
const struct tsens_sensor *s = &priv->sensor[i];
u32 hw_id = s->hw_id;
if (IS_ERR(s->tzd))
if (!s->tzd)
continue;
if (!tsens_threshold_violated(priv, hw_id, &d))
continue;
@ -467,7 +467,7 @@ static irqreturn_t tsens_irq_thread(int irq, void *data)
const struct tsens_sensor *s = &priv->sensor[i];
u32 hw_id = s->hw_id;
if (IS_ERR(s->tzd))
if (!s->tzd)
continue;
if (!tsens_threshold_violated(priv, hw_id, &d))
continue;

7
drivers/thermal/thermal_core.c
View File

@ -222,15 +222,14 @@ int thermal_build_list_of_policies(char *buf)
{
struct thermal_governor *pos;
ssize_t count = 0;
ssize_t size = PAGE_SIZE;
mutex_lock(&thermal_governor_lock);
list_for_each_entry(pos, &thermal_governor_list, governor_list) {
size = PAGE_SIZE - count;
count += scnprintf(buf + count, size, "%s ", pos->name);
count += scnprintf(buf + count, PAGE_SIZE - count, "%s ",
pos->name);
}
count += scnprintf(buf + count, size, "\n");
count += scnprintf(buf + count, PAGE_SIZE - count, "\n");
mutex_unlock(&thermal_governor_lock);