Public bug reported:
Kernel v2.6.26-rc2 on Dell XPS M1330 (Core Duo 2 CPU).
The program reports "sensors_init: Kernel interface error" and segfaults.
The reason is that the code attempts to fclose a NULL pointer caused by
the changed (again) layout of /sys/class/hwmon, which contains a "virtual"
entry (note hwmon0 in the listing below).
The attached patch fixes the crash, so the program just reports the
error and exits.
/sys/class/hwmon/:
total 0
drwxr-xr-x 3 root root 0 2008-05-15 19:58 hwmon0/
drwxr-xr-x 3 root root 0 2008-05-15 19:58 hwmon1/
drwxr-xr-x 3 root root 0 2008-05-15 19:58 hwmon2/
/sys/class/hwmon/hwmon0:
total 0
-r--r--r-- 1 root root 4.0K 2008-05-15 20:30 name
drwxr-xr-x 2 root root 0 2008-05-15 20:30 power/
lrwxrwxrwx 1 root root 0 2008-05-15 19:59 subsystem -> ../../hwmon/
-r--r--r-- 1 root root 4.0K 2008-05-15 20:30 temp1_crit
-r--r--r-- 1 root root 4.0K 2008-05-15 20:30 temp1_input
-rw-r--r-- 1 root root 4.0K 2008-05-15 19:58 uevent
/sys/class/hwmon/hwmon0/power:
total 0
-rw-r--r-- 1 root root 4.0K 2008-05-15 21:42 wakeup
/sys/class/hwmon/hwmon1:
total 0
lrwxrwxrwx 1 root root 0 2008-05-15 19:58 device ->
../../../devices/platform/coretemp.0/
drwxr-xr-x 2 root root 0 2008-05-15 20:30 power/
lrwxrwxrwx 1 root root 0 2008-05-15 19:59 subsystem -> ../../hwmon/
-rw-r--r-- 1 root root 4.0K 2008-05-15 19:58 uevent
/sys/class/hwmon/hwmon1/power:
total 0
-rw-r--r-- 1 root root 4.0K 2008-05-15 21:42 wakeup
/sys/class/hwmon/hwmon2:
total 0
lrwxrwxrwx 1 root root 0 2008-05-15 19:58 device ->
../../../devices/platform/coretemp.1/
drwxr-xr-x 2 root root 0 2008-05-15 20:30 power/
lrwxrwxrwx 1 root root 0 2008-05-15 19:59 subsystem -> ../../hwmon/
-rw-r--r-- 1 root root 4.0K 2008-05-15 19:58 uevent
/sys/class/hwmon/hwmon2/power:
total 0
-rw-r--r-- 1 root root 4.0K 2008-05-15 21:42 wakeup
** Affects: lm-sensors (Ubuntu)
Importance: Undecided
Status: New
--
The sensors program crashes on 2.6.26+
https://bugs.launchpad.net/bugs/230839
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