commit d35643385628d44a5933a0755b01478eb4df5c65
author Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Wed Nov 09 19:44:12 2011 +0200
committer Herbert Xu <herbert@gondor.apana.org.au> Mon Nov 21 16:13:25 2011 +0800
tree ab76260a738e8eec1ff153503bc392c7cca916a6
parent 5962f8b66dd040ad89d55b58967ea2dec607f4d3

crypto: serpent-sse2 - clear CRYPTO_TFM_REQ_MAY_SLEEP in lrw and xts modes

LRW/XTS patches for serpent-sse2 forgot to add this. CRYPTO_TFM_REQ_MAY_SLEEP
should be cleared as sleeping between kernel_fpu_begin()/kernel_fpu_end() is
not allowed.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/x86/crypto/serpent_sse2_glue.c

diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c
index 2dffc5a..2f5c304 100644
--- a/arch/x86/crypto/serpent_sse2_glue.c
+++ b/arch/x86/crypto/serpent_sse2_glue.c
@@ -554,6 +554,7 @@
 	};
 	int ret;
 
+	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 	ret = lrw_crypt(desc, dst, src, nbytes, &req);
 	serpent_fpu_end(crypt_ctx.fpu_enabled);
 
@@ -579,6 +580,7 @@
 	};
 	int ret;
 
+	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 	ret = lrw_crypt(desc, dst, src, nbytes, &req);
 	serpent_fpu_end(crypt_ctx.fpu_enabled);
 
@@ -671,6 +673,7 @@
 	};
 	int ret;
 
+	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 	ret = xts_crypt(desc, dst, src, nbytes, &req);
 	serpent_fpu_end(crypt_ctx.fpu_enabled);
 
@@ -697,6 +700,7 @@
 	};
 	int ret;
 
+	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 	ret = xts_crypt(desc, dst, src, nbytes, &req);
 	serpent_fpu_end(crypt_ctx.fpu_enabled);