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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-31 13:10:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-31 13:10:59 -0800
commit298a2d87518ec01bb36070fafe31da7746556db0 (patch)
tree7598b4a8b90fa7f0d5e319f29bd7d5c13fbcc282 /include/dt-bindings/mfd/atmel-flexcom.h
parent52e02f2797cf44e00da987a7736cc0f5192132f7 (diff)
parent966d2b04e070bc040319aaebfec09e0144dc3341 (diff)
Merge branch 'for-4.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Pull percpu fix from Tejun Heo: "Douglas found and fixed a ref leak bug in percpu_ref_tryget[_live](). The bug is caused by storing the return value of atomic_long_inc_not_zero() into an int temp variable before returning it as a bool. The interim cast to int loses the upper bits and can lead to false negatives. As percpu_ref uses a high bit to mark a draining counter, this can happen relatively easily. Fixed by using bool for the temp variable" * 'for-4.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu-refcount: fix reference leak during percpu-atomic transition
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