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s390/zcrypt: Use EBUSY to indicate temp unavailability

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Use -EBUSY instead of -EAGAIN in zcrypt_ccamisc.c
in cases where the CCA card returns 8/2290 to indicate
a temporarily unavailability of this function.

Fixes: ed6776c96c ("s390/crypto: remove retry loop with sleep from PAES pkey invocation")
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
This commit is contained in:
Harald Freudenberger 2024-04-25 16:22:51 +02:00 committed by Alexander Gordeev
parent c0e983b697
commit da5658320b
1 changed files with 3 additions and 3 deletions
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6
drivers/s390/crypto/zcrypt_ccamisc.c
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@ -658,7 +658,7 @@ int cca_sec2protkey(u16 cardnr, u16 domain,
(int)prepcblk->ccp_rtcode,
(int)prepcblk->ccp_rscode);
if (prepcblk->ccp_rtcode == 8 && prepcblk->ccp_rscode == 2290)
rc = -EAGAIN;
rc = -EBUSY;
else
rc = -EIO;
goto out;
@ -1263,7 +1263,7 @@ int cca_cipher2protkey(u16 cardnr, u16 domain, const u8 *ckey,
(int)prepcblk->ccp_rtcode,
(int)prepcblk->ccp_rscode);
if (prepcblk->ccp_rtcode == 8 && prepcblk->ccp_rscode == 2290)
rc = -EAGAIN;
rc = -EBUSY;
else
rc = -EIO;
goto out;
@ -1426,7 +1426,7 @@ int cca_ecc2protkey(u16 cardnr, u16 domain, const u8 *key,
(int)prepcblk->ccp_rtcode,
(int)prepcblk->ccp_rscode);
if (prepcblk->ccp_rtcode == 8 && prepcblk->ccp_rscode == 2290)
rc = -EAGAIN;
rc = -EBUSY;
else
rc = -EIO;
goto out;