libio: Avoid RMW of flags2 outside lock (BZ #27842)
commitf107b7b30d815f191181617e2c14f21e6af4ddcf
authorWilco Dijkstra <wilco.dijkstra@arm.com>
Fri, 10 Jun 2022 12:33:26 +0000 (10 13:33 +0100)
committerWilco Dijkstra <wdijkstr@arm.com>
Fri, 10 Jun 2022 12:35:57 +0000 (10 13:35 +0100)
tree95574d39cae79a095adb0b08b0f9213c7d51e9ab
parentcffb9414c55b2e169ed8af1cefd1e3f2ea97e750
libio: Avoid RMW of flags2 outside lock (BZ #27842)

Remove an unconditional RMW on flags2 in flockfile - we don't need to change
_IO_FLAGS2_NEED_LOCK since it isn't used in flockfile or funlockfile.
This fixes BZ #27842.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
stdio-common/flockfile.c