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Power Supply Fixes for 5.1 cycle 

* cpcap-battery: fix a division by zero
 * core: fix systemd issue due to log messages produced by uevent
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Merge tag 'for-v5.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply fixes from Sebastian Reichel:
 "Two more fixes for the 5.1 cycle.

  One division by zero fix in a specific driver and one core workaround
  for bad userspace behaviour from systemd regarding uevents. IMHO this
  can be considered to be a userspace bug, but the debug messages are
  useless anyways

   - cpcap-battery: fix a division by zero

   - core: fix systemd issue due to log messages produced by uevent"

* tag 'for-v5.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: supply: sysfs: prevent endless uevent loop with CONFIG_POWER_SUPPLY_DEBUG
  power: supply: cpcap-battery: Fix division by zero
hifive-unleashed-5.1
Linus Torvalds 2019-05-01 14:57:23 -07:00
parent 65beea4c3a 349ced9984
commit 600d725831
2 changed files with 3 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/power/supply/cpcap-battery.c
View File

@ -221,6 +221,9 @@ static int cpcap_battery_cc_raw_div(struct cpcap_battery_ddata *ddata,
int avg_current;
u32 cc_lsb;
if (!divider)
return 0;
sample &= 0xffffff; /* 24-bits, unsigned */
offset &= 0x7ff; /* 10-bits, signed */

6
drivers/power/supply/power_supply_sysfs.c
View File

@ -383,15 +383,11 @@ int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env)
char *prop_buf;
char *attrname;
dev_dbg(dev, "uevent\n");
if (!psy || !psy->desc) {
dev_dbg(dev, "No power supply yet\n");
return ret;
}
dev_dbg(dev, "POWER_SUPPLY_NAME=%s\n", psy->desc->name);
ret = add_uevent_var(env, "POWER_SUPPLY_NAME=%s", psy->desc->name);
if (ret)
return ret;
@ -427,8 +423,6 @@ int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env)
goto out;
}
dev_dbg(dev, "prop %s=%s\n", attrname, prop_buf);
ret = add_uevent_var(env, "POWER_SUPPLY_%s=%s", attrname, prop_buf);
kfree(attrname);
if (ret)