s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine

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When a request is transferred to the engine via
crypto_transfer_hash_request_to_engine() there are two return codes
signaling a successful transfer: EINPROGRESS and EBUSY. However the
correct handling of EBUSY was missing and has been added as a return
code indicating a successful transfer to the crypto engine.

Fixes: cbbc675506 ("crypto: s390 - New s390 specific protected key hash phmac")
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
Cc: stable@vger.kernel.org # 6.17+
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Harald Freudenberger 2026-08-31 10:38:35 +02:00 • committed by Vasily Gorbik

parent 3fec882c33

commit 3301483714

1 changed files with 21 additions and 9 deletions

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arch/s390/crypto/phmac_s390.c

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