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Johan Hovold authored
If a process is interrupted while accessing the crypto device and the global ap_perms_mutex is contented, release() could return early and fail to free related resources. Fixes: 00fab235 ("s390/zcrypt: multiple zcrypt device nodes support") Cc: <stable@vger.kernel.org> # 4.19 Cc: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
Vasily Gorbik <gor@linux.ibm.com>
388bb19b