On Sat, Jan 28, 2017 at 06:42:20AM -0600, Douglas Miller wrote: > percpu_ref_tryget() and percpu_ref_tryget_live() should return > "true" IFF they acquire a reference. But the return value from > atomic_long_inc_not_zero() is a long and may have high bits set, > e.g. PERCPU_COUNT_BIAS, and the return value of the tryget routines > is bool so the reference may actually be acquired but the routines > return "false" which results in a reference leak since the caller > assumes it does not need to do a corresponding percpu_ref_put(). Applied to percpu/for-4.10-fixes w/ stable cc'd. Thanks! -- tejun -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html