lib/crypto: Explicitly include <linux/export.h>

Fix build warnings with W=1 that started appearing after
commit a934a57a42 ("scripts/misc-check: check missing #include
<linux/export.h> when W=1").

While at it, also sort the include lists alphabetically.  (Keep
asm/irqflags.h last, as otherwise it doesn't build on alpha.)

This handles all of lib/crypto/, but not arch/*/lib/crypto/.  The
exports in arch/*/lib/crypto/ will go away when the code is properly
integrated into lib/crypto/ as planned.

Link: https://lore.kernel.org/r/20250613184814.50173-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

lib/crypto/aes.c

@@ -5,6 +5,7 @@
 
 #include <crypto/aes.h>
 #include <linux/crypto.h>
+#include <linux/export.h>
 #include <linux/module.h>
 #include <linux/unaligned.h>
 

lib/crypto/aescfb.c

@@ -5,11 +5,10 @@
  * Copyright 2023 Google LLC
  */
 
-#include <linux/module.h>
-
-#include <crypto/algapi.h>
 #include <crypto/aes.h>
-
+#include <crypto/algapi.h>
+#include <linux/export.h>
+#include <linux/module.h>
 #include <asm/irqflags.h>
 
 static void aescfb_encrypt_block(const struct crypto_aes_ctx *ctx, void *dst,

lib/crypto/aesgcm.c

@@ -5,12 +5,11 @@
  * Copyright 2022 Google LLC
  */
 
-#include <linux/module.h>
-
 #include <crypto/algapi.h>
 #include <crypto/gcm.h>
 #include <crypto/ghash.h>
-
+#include <linux/export.h>
+#include <linux/module.h>
 #include <asm/irqflags.h>
 
 static void aesgcm_encrypt_block(const struct crypto_aes_ctx *ctx, void *dst,

lib/crypto/arc4.c

@@ -8,6 +8,7 @@
  */
 
 #include <crypto/arc4.h>
+#include <linux/export.h>
 #include <linux/module.h>
 
 int arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len)

lib/crypto/blake2s-generic.c

@@ -9,11 +9,12 @@
  */
 
 #include <crypto/internal/blake2s.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
 #include <linux/bug.h>
+#include <linux/export.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/types.h>
 #include <linux/unaligned.h>
 
 static const u8 blake2s_sigma[10][16] = {

lib/crypto/blake2s.c

@@ -9,12 +9,13 @@
  */
 
 #include <crypto/internal/blake2s.h>
-#include <linux/types.h>
-#include <linux/string.h>
+#include <linux/bug.h>
+#include <linux/export.h>
+#include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
-#include <linux/bug.h>
+#include <linux/string.h>
+#include <linux/types.h>
 
 static inline void blake2s_set_lastblock(struct blake2s_state *state)
 {

lib/crypto/chacha.c

@@ -5,13 +5,13 @@
  * Copyright (C) 2015 Martin Willi
  */
 
-#include <linux/bug.h>
-#include <linux/kernel.h>
-#include <linux/export.h>
+#include <crypto/chacha.h>
 #include <linux/bitops.h>
+#include <linux/bug.h>
+#include <linux/export.h>
+#include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/unaligned.h>
-#include <crypto/chacha.h>
 
 static void chacha_permute(struct chacha_state *state, int nrounds)
 {

lib/crypto/chacha20poly1305.c

@@ -7,16 +7,16 @@
  * Information: https://tools.ietf.org/html/rfc8439
  */
 
-#include <crypto/chacha20poly1305.h>
 #include <crypto/chacha.h>
+#include <crypto/chacha20poly1305.h>
 #include <crypto/poly1305.h>
 #include <crypto/utils.h>
-
-#include <linux/unaligned.h>
-#include <linux/kernel.h>
+#include <linux/export.h>
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/module.h>
+#include <linux/unaligned.h>
 
 static void chacha_load_key(u32 *k, const u8 *in)
 {

lib/crypto/curve25519-generic.c

@@ -10,6 +10,7 @@
  */
 
 #include <crypto/curve25519.h>
+#include <linux/export.h>
 #include <linux/module.h>
 
 const u8 curve25519_null_point[CURVE25519_KEY_SIZE] __aligned(32) = { 0 };

lib/crypto/des.c

@@ -7,21 +7,20 @@
  * Copyright (c) 2005 Dag Arne Osvik <da@osvik.no>
  */
 
+#include <crypto/des.h>
+#include <crypto/internal/des.h>
 #include <linux/bitops.h>
 #include <linux/compiler.h>
 #include <linux/crypto.h>
 #include <linux/errno.h>
+#include <linux/export.h>
 #include <linux/fips.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/string.h>
 #include <linux/types.h>
-
 #include <linux/unaligned.h>
 
-#include <crypto/des.h>
-#include <crypto/internal/des.h>
-
 #define ROL(x, r) ((x) = rol32((x), (r)))
 #define ROR(x, r) ((x) = ror32((x), (r)))
 

lib/crypto/gf128mul.c

@@ -49,6 +49,7 @@
 */
 
 #include <crypto/gf128mul.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/slab.h>

lib/crypto/libchacha.c

@@ -5,12 +5,11 @@
  * Copyright (C) 2015 Martin Willi
  */
 
-#include <linux/kernel.h>
-#include <linux/export.h>
-#include <linux/module.h>
-
 #include <crypto/algapi.h> // for crypto_xor_cpy
 #include <crypto/chacha.h>
+#include <linux/export.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
 
 void chacha_crypt_generic(struct chacha_state *state, u8 *dst, const u8 *src,
 			  unsigned int bytes, int nrounds)

lib/crypto/memneq.c

@@ -59,9 +59,10 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <linux/unaligned.h>
 #include <crypto/algapi.h>
+#include <linux/export.h>
 #include <linux/module.h>
+#include <linux/unaligned.h>
 
 /* Generic path for arbitrary size */
 static inline unsigned long

lib/crypto/mpi/mpi-add.c

@@ -11,6 +11,8 @@
  *	 to avoid revealing of sensitive data due to paging etc.
  */
 
+#include <linux/export.h>
+
 #include "mpi-internal.h"
 
 int mpi_add(MPI w, MPI u, MPI v)

lib/crypto/mpi/mpi-bit.c

@@ -18,6 +18,8 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 
+#include <linux/export.h>
+
 #include "mpi-internal.h"
 #include "longlong.h"
 

lib/crypto/mpi/mpi-cmp.c

@@ -18,6 +18,8 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 
+#include <linux/export.h>
+
 #include "mpi-internal.h"
 
 int mpi_cmp_ui(MPI u, unsigned long v)

lib/crypto/mpi/mpi-mul.c

@@ -11,6 +11,8 @@
  *	 to avoid revealing of sensitive data due to paging etc.
  */
 
+#include <linux/export.h>
+
 #include "mpi-internal.h"
 
 int mpi_mul(MPI w, MPI u, MPI v)

lib/crypto/mpi/mpi-pow.c

@@ -13,8 +13,10 @@
  *	 however I decided to publish this code under the plain GPL.
  */
 
+#include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/string.h>
+
 #include "mpi-internal.h"
 #include "longlong.h"
 

lib/crypto/mpi/mpi-sub-ui.c

@@ -32,6 +32,8 @@
  * see https://www.gnu.org/licenses/.
  */
 
+#include <linux/export.h>
+
 #include "mpi-internal.h"
 
 int mpi_sub_ui(MPI w, MPI u, unsigned long vval)

lib/crypto/mpi/mpicoder.c

@@ -19,8 +19,9 @@
  */
 
 #include <linux/bitops.h>
-#include <linux/count_zeros.h>
 #include <linux/byteorder/generic.h>
+#include <linux/count_zeros.h>
+#include <linux/export.h>
 #include <linux/scatterlist.h>
 #include <linux/string.h>
 #include "mpi-internal.h"

lib/crypto/mpi/mpiutil.c

@@ -18,6 +18,8 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 
+#include <linux/export.h>
+
 #include "mpi-internal.h"
 
 /****************

lib/crypto/poly1305-donna32.c

@@ -6,9 +6,10 @@
  * public domain.
  */
 
+#include <crypto/internal/poly1305.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/unaligned.h>
-#include <crypto/internal/poly1305.h>
 
 void poly1305_core_setkey(struct poly1305_core_key *key,
 			  const u8 raw_key[POLY1305_BLOCK_SIZE])

lib/crypto/poly1305-donna64.c

@@ -6,9 +6,10 @@
  * public domain.
  */
 
+#include <crypto/internal/poly1305.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/unaligned.h>
-#include <crypto/internal/poly1305.h>
 
 void poly1305_core_setkey(struct poly1305_core_key *key,
 			  const u8 raw_key[POLY1305_BLOCK_SIZE])

lib/crypto/poly1305-generic.c

@@ -8,6 +8,7 @@
  */
 
 #include <crypto/internal/poly1305.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 

lib/crypto/poly1305.c

@@ -9,6 +9,7 @@
 
 #include <crypto/internal/blockhash.h>
 #include <crypto/internal/poly1305.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/string.h>

lib/crypto/sha1.c

@@ -6,12 +6,12 @@
  * This was based on the git SHA1 implementation.
  */
 
-#include <linux/kernel.h>
-#include <linux/export.h>
-#include <linux/module.h>
-#include <linux/bitops.h>
-#include <linux/string.h>
 #include <crypto/sha1.h>
+#include <linux/bitops.h>
+#include <linux/export.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
 #include <linux/unaligned.h>
 
 /*

lib/crypto/sha256-generic.c

@@ -12,6 +12,7 @@
  */
 
 #include <crypto/internal/sha2.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/string.h>

lib/crypto/sha256.c

@@ -13,6 +13,7 @@
 
 #include <crypto/internal/blockhash.h>
 #include <crypto/internal/sha2.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/string.h>

lib/crypto/sm3.c

@@ -9,6 +9,7 @@
  */
 
 #include <crypto/sm3.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/string.h>

lib/crypto/utils.c

@@ -5,9 +5,10 @@
  * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
  */
 
-#include <linux/unaligned.h>
 #include <crypto/utils.h>
+#include <linux/export.h>
 #include <linux/module.h>
+#include <linux/unaligned.h>
 
 /*
  * XOR @len bytes from @src1 and @src2 together, writing the result to @dst