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authorBruce Allan <bruce.w.allan@intel.com>2015-07-24 13:18:25 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2015-07-28 15:03:32 +0800
commitea77fcdaf1aa6c3e69ba87cfef2e89b07f929598 (patch)
tree3c71c198993b6b99fd04de5767c3cf0cadc6a23f /drivers
parent5995752eadfd64edece5810b6fb0639806726594 (diff)
crypto: qat - fix bug in ADF_RING_SIZE_BYTES_MIN macro
The subject macro mistakenly compares the passed-in ring size in bytes with ADF_RING_SIZE_4K which is 0x6 (an internal representation of 4KB) rather than comparing with the intended value of 4096. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/crypto/qat/qat_common/adf_transport_access_macros.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_transport_access_macros.h b/drivers/crypto/qat/qat_common/adf_transport_access_macros.h
index 160c9a36c919..6ad7e4e1edca 100644
--- a/drivers/crypto/qat/qat_common/adf_transport_access_macros.h
+++ b/drivers/crypto/qat/qat_common/adf_transport_access_macros.h
@@ -97,8 +97,9 @@
#define ADF_RING_SIZE_IN_BYTES_TO_SIZE(SIZE) ((1 << (SIZE - 1)) >> 7)
/* Minimum ring bufer size for memory allocation */
-#define ADF_RING_SIZE_BYTES_MIN(SIZE) ((SIZE < ADF_RING_SIZE_4K) ? \
- ADF_RING_SIZE_4K : SIZE)
+#define ADF_RING_SIZE_BYTES_MIN(SIZE) \
+ ((SIZE < ADF_SIZE_TO_RING_SIZE_IN_BYTES(ADF_RING_SIZE_4K)) ? \
+ ADF_SIZE_TO_RING_SIZE_IN_BYTES(ADF_RING_SIZE_4K) : SIZE)
#define ADF_RING_SIZE_MODULO(SIZE) (SIZE + 0x6)
#define ADF_SIZE_TO_POW(SIZE) ((((SIZE & 0x4) >> 1) | ((SIZE & 0x4) >> 2) | \
SIZE) & ~0x4)