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path: root/drivers/crypto/omap-sham.c
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Diffstat (limited to 'drivers/crypto/omap-sham.c')
-rw-r--r--drivers/crypto/omap-sham.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index 4e2067df300d..710d86386965 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -636,11 +636,17 @@ static size_t omap_sham_append_buffer(struct omap_sham_reqctx *ctx,
static size_t omap_sham_append_sg(struct omap_sham_reqctx *ctx)
{
size_t count;
+ const u8 *vaddr;
while (ctx->sg) {
+ vaddr = kmap_atomic(sg_page(ctx->sg));
+
count = omap_sham_append_buffer(ctx,
- sg_virt(ctx->sg) + ctx->offset,
+ vaddr + ctx->offset,
ctx->sg->length - ctx->offset);
+
+ kunmap_atomic((void *)vaddr);
+
if (!count)
break;
ctx->offset += count;