Commit da565832 authored by Harald Freudenberger's avatar Harald Freudenberger Committed by Alexander Gordeev
Browse files

s390/zcrypt: Use EBUSY to indicate temp unavailability 



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: ed6776c9 ("s390/crypto: remove retry loop with sleep from PAES pkey invocation")
Signed-off-by: default avatarHarald Freudenberger <freude@linux.ibm.com>
Reviewed-by: default avatarIngo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: default avatarHolger Dengler <dengler@linux.ibm.com>
Signed-off-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
parent c0e983b6

drivers/s390/crypto/zcrypt_ccamisc.c

+3 −3
Original line number Diff line number Diff line
@@ -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;