Changed to M_NOWAIT when reallocing psc_buf in padlock_sha_update(),

as we already hold the non sleepable crypto_driver_mutex.

Approved by:	gnn(mentor)
Obtained from:	NETASQ
MFC after:	2 weeks

1 files changed, 3 insertions, 1 deletions

diff --git a/sys/crypto/via/padlock_hash.c b/sys/crypto/via/padlock_hash.c
index ae43197..71f956e 100644
--- a/sys/crypto/via/padlock_hash.c
+++ b/sys/crypto/via/padlock_hash.c
@@ -171,7 +171,9 @@ padlock_sha_update(struct padlock_sha_ctx *ctx, uint8_t *buf, uint16_t bufsize)
 	if (ctx->psc_size - ctx->psc_offset < bufsize) {
 		ctx->psc_size = MAX(ctx->psc_size * 2, ctx->psc_size + bufsize);
 		ctx->psc_buf = realloc(ctx->psc_buf, ctx->psc_size, M_PADLOCK,
-		    M_WAITOK);
+		    M_NOWAIT);
+		if(ctx->psc_buf == NULL)
+			return (ENOMEM);
 	}
 	bcopy(buf, ctx->psc_buf + ctx->psc_offset, bufsize);
 	ctx->psc_offset += bufsize;