crypto: skcipher - Make skcipher_walk src.virt.addr const

Mark the src.virt.addr field in struct skcipher_walk as a pointer
to const data.  This guarantees that the user won't modify the data
which should be done through dst.virt.addr to ensure that flushing
is done when necessary.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index c705124432c5..a958ab0636ad 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -59,7 +59,7 @@ struct skcipher_walk {
 		/* Virtual address of the source. */
 		struct {
 			struct {
-				void *const addr;
+				const void *const addr;
 			} virt;
 		} src;