Input: bma150 - fix checking pm_runtime_get_sync() return value
When PM_RUNTIME is not defined, pm_runtime_get_sync() returns 1, see include/linux/pm_runtime.c::__pm_runtime_resume(), and the check of the return value was overlooking this, in this case bma150_open() would return 1 which is not expected by upper layers. Maybe the check for != -ENOSYS (Function not implemented) was meant to cover this, but pm_runtime_get_sync() does not return this value. For now fix the issue locally by checking explicitly for negative return values. Signed-off-by: NMichael Trimarchi <michael@amarulasolutions.com> Signed-off-by: NAntonio Ospite <ao2@amarulasolutions.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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