crypto: talitos - Fix GFP flag usage

use GFP_ATOMIC when necessary; use atomic_t when allocating submit_count.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Acked-by: Lee Nipper <lee.nipper@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index fdb0680f6ffe..79fdba2a20c0 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1015,6 +1015,8 @@ static struct ipsec_esp_edesc *ipsec_esp_edesc_alloc(struct aead_request *areq,
         struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
         struct ipsec_esp_edesc *edesc;
         int src_nents, dst_nents, alloc_len, dma_len;
+        gfp_t flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
+                      GFP_ATOMIC;
 
         if (areq->cryptlen + ctx->authsize > TALITOS_MAX_DATA_LEN) {
                 dev_err(ctx->dev, "cryptlen exceeds h/w max limit\n");
@@ -1046,7 +1048,7 @@ static struct ipsec_esp_edesc *ipsec_esp_edesc_alloc(struct aead_request *areq,
                 alloc_len += icv_stashing ? ctx->authsize : 0;
         }
 
-        edesc = kmalloc(alloc_len, GFP_DMA);
+        edesc = kmalloc(alloc_len, GFP_DMA | flags);
         if (!edesc) {
                 dev_err(ctx->dev, "could not allocate edescriptor\n");
                 return ERR_PTR(-ENOMEM);
@@ -1508,7 +1510,7 @@ static int talitos_probe(struct of_device *ofdev,
                 }
         }
 
-        priv->submit_count = kmalloc(sizeof(int) * priv->num_channels,
+        priv->submit_count = kmalloc(sizeof(atomic_t) * priv->num_channels,
                                      GFP_KERNEL);
         if (!priv->submit_count) {
                 dev_err(dev, "failed to allocate fifo submit count space\n");