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| author | Guenter Roeck <linux@roeck-us.net> | 2023-07-27 06:18:13 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2023-07-27 06:34:30 +0300 |
| commit | b84000f2274520f73ac9dc59fd9403260b61c4e7 (patch) | |
| tree | b15d5873cc4f0ff81a49934c71118006f2bcd1b0 /scripts/gdb/linux/utils.py | |
| parent | 0bd66784274a287beada2933c2c0fa3a0ddae0d7 (diff) | |
| download | linux-b84000f2274520f73ac9dc59fd9403260b61c4e7.tar.xz | |
hwmon: (pmbus_core) Fix Deadlock in pmbus_regulator_get_status
pmbus_regulator_get_status() acquires update_lock.
pmbus_regulator_get_error_flags() acquires it again, resulting in an
immediate deadlock.
Call _pmbus_get_flags() from pmbus_regulator_get_status() directly
to avoid the problem.
Reported-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Closes: https://lore.kernel.org/linux-hwmon/b7a3ad85-aab4-4718-a001-1d8b1c0eef36@roeck-us.net/T/#u
Cc: Naresh Solanki <Naresh.Solanki@9elements.com>
Cc: stable@vger.kernel.org # v6.2+
Fixes: c05f477c4ba3 ("hwmon: (pmbus/core) Implement regulator get_status")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions