[PATCH v2 2/4] staging: skein: cleanup: Fixed operator whitespace

Manu Kumar maraku at gmx.com
Sat Apr 30 19:06:33 UTC 2016


added operator white space and parentheses for readability

Signed-off-by: Manu Kumar <maraku at gmx.com>
---
 drivers/staging/skein/skein_base.c    | 66 +++++++++++++++++------------------
 drivers/staging/skein/skein_base.h    | 28 +++++++--------
 drivers/staging/skein/skein_block.c   | 44 ++++++++++++-----------
 drivers/staging/skein/threefish_api.h |  2 +-
 4 files changed, 71 insertions(+), 69 deletions(-)

diff --git a/drivers/staging/skein/skein_base.c b/drivers/staging/skein/skein_base.c
index 25a01ca..9734de4 100644
--- a/drivers/staging/skein/skein_base.c
+++ b/drivers/staging/skein/skein_base.c
@@ -58,7 +58,7 @@ int skein_256_init(struct skein_256_ctx *ctx, size_t hash_bit_len)
 		cfg.w[1] = skein_swap64(hash_bit_len);
 		cfg.w[2] = skein_swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
 		/* zero pad config block */
-		memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0]));
+		memset(&cfg.w[3], 0, sizeof(cfg) - 3 * sizeof(cfg.w[0]));

 		/* compute the initial chaining values from config block */
 		/* zero the chaining variables */
@@ -98,7 +98,7 @@ int skein_256_init_ext(struct skein_256_ctx *ctx, size_t hash_bit_len,
 		skein_assert(sizeof(cfg.b) >= sizeof(ctx->x));
 		/* do a mini-Init right here */
 		/* set output hash bit count = state size */
-		ctx->h.hash_bit_len = 8*sizeof(ctx->x);
+		ctx->h.hash_bit_len = 8 * sizeof(ctx->x);
 		/* set tweaks: T0 = 0; T1 = KEY type */
 		skein_start_new_type(ctx, KEY);
 		/* zero the initial chaining variables */
@@ -171,7 +171,7 @@ int skein_256_update(struct skein_256_ctx *ctx, const u8 *msg,
 		 */
 		if (msg_byte_cnt > SKEIN_256_BLOCK_BYTES) {
 			/* number of full blocks to process */
-			n = (msg_byte_cnt-1) / SKEIN_256_BLOCK_BYTES;
+			n = (msg_byte_cnt - 1) / SKEIN_256_BLOCK_BYTES;
 			skein_256_process_block(ctx, msg, n,
 						SKEIN_256_BLOCK_BYTES);
 			msg_byte_cnt -= n * SKEIN_256_BLOCK_BYTES;
@@ -219,19 +219,19 @@ int skein_256_final(struct skein_256_ctx *ctx, u8 *hash_val)
 	memset(ctx->b, 0, sizeof(ctx->b));
 	/* keep a local copy of counter mode "key" */
 	memcpy(x, ctx->x, sizeof(x));
-	for (i = 0; i*SKEIN_256_BLOCK_BYTES < byte_cnt; i++) {
+	for (i = 0; i * SKEIN_256_BLOCK_BYTES < byte_cnt; i++) {
 		/* build the counter block */
 		((u64 *)ctx->b)[0] = skein_swap64((u64) i);
 		skein_start_new_type(ctx, OUT_FINAL);
 		/* run "counter mode" */
 		skein_256_process_block(ctx, ctx->b, 1, sizeof(u64));
 		/* number of output bytes left to go */
-		n = byte_cnt - i*SKEIN_256_BLOCK_BYTES;
+		n = byte_cnt - i * SKEIN_256_BLOCK_BYTES;
 		if (n >= SKEIN_256_BLOCK_BYTES)
 			n  = SKEIN_256_BLOCK_BYTES;
 		/* "output" the ctr mode bytes */
-		skein_put64_lsb_first(hash_val+i*SKEIN_256_BLOCK_BYTES, ctx->x,
-				      n);
+		skein_put64_lsb_first(hash_val + (i * SKEIN_256_BLOCK_BYTES),
+				ctx->x, n);
 		/* restore the counter mode key for next time */
 		memcpy(ctx->x, x, sizeof(x));
 	}
@@ -282,7 +282,7 @@ int skein_512_init(struct skein_512_ctx *ctx, size_t hash_bit_len)
 		cfg.w[1] = skein_swap64(hash_bit_len);
 		cfg.w[2] = skein_swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
 		/* zero pad config block */
-		memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0]));
+		memset(&cfg.w[3], 0, sizeof(cfg) - 3 * sizeof(cfg.w[0]));

 		/* compute the initial chaining values from config block */
 		/* zero the chaining variables */
@@ -326,7 +326,7 @@ int skein_512_init_ext(struct skein_512_ctx *ctx, size_t hash_bit_len,
 		skein_assert(sizeof(cfg.b) >= sizeof(ctx->x));
 		/* do a mini-Init right here */
 		/* set output hash bit count = state size */
-		ctx->h.hash_bit_len = 8*sizeof(ctx->x);
+		ctx->h.hash_bit_len = 8 * sizeof(ctx->x);
 		/* set tweaks: T0 = 0; T1 = KEY type */
 		skein_start_new_type(ctx, KEY);
 		/* zero the initial chaining variables */
@@ -398,7 +398,7 @@ int skein_512_update(struct skein_512_ctx *ctx, const u8 *msg,
 		 */
 		if (msg_byte_cnt > SKEIN_512_BLOCK_BYTES) {
 			/* number of full blocks to process */
-			n = (msg_byte_cnt-1) / SKEIN_512_BLOCK_BYTES;
+			n = (msg_byte_cnt - 1) / SKEIN_512_BLOCK_BYTES;
 			skein_512_process_block(ctx, msg, n,
 						SKEIN_512_BLOCK_BYTES);
 			msg_byte_cnt -= n * SKEIN_512_BLOCK_BYTES;
@@ -446,19 +446,19 @@ int skein_512_final(struct skein_512_ctx *ctx, u8 *hash_val)
 	memset(ctx->b, 0, sizeof(ctx->b));
 	/* keep a local copy of counter mode "key" */
 	memcpy(x, ctx->x, sizeof(x));
-	for (i = 0; i*SKEIN_512_BLOCK_BYTES < byte_cnt; i++) {
+	for (i = 0; i * SKEIN_512_BLOCK_BYTES < byte_cnt; i++) {
 		/* build the counter block */
 		((u64 *)ctx->b)[0] = skein_swap64((u64) i);
 		skein_start_new_type(ctx, OUT_FINAL);
 		/* run "counter mode" */
 		skein_512_process_block(ctx, ctx->b, 1, sizeof(u64));
 		/* number of output bytes left to go */
-		n = byte_cnt - i*SKEIN_512_BLOCK_BYTES;
+		n = byte_cnt - i * SKEIN_512_BLOCK_BYTES;
 		if (n >= SKEIN_512_BLOCK_BYTES)
 			n  = SKEIN_512_BLOCK_BYTES;
 		/* "output" the ctr mode bytes */
-		skein_put64_lsb_first(hash_val+i*SKEIN_512_BLOCK_BYTES, ctx->x,
-				      n);
+		skein_put64_lsb_first(hash_val + (i * SKEIN_512_BLOCK_BYTES),
+				ctx->x, n);
 		/* restore the counter mode key for next time */
 		memcpy(ctx->x, x, sizeof(x));
 	}
@@ -506,7 +506,7 @@ int skein_1024_init(struct skein_1024_ctx *ctx, size_t hash_bit_len)
 		cfg.w[1] = skein_swap64(hash_bit_len);
 		cfg.w[2] = skein_swap64(SKEIN_CFG_TREE_INFO_SEQUENTIAL);
 		/* zero pad config block */
-		memset(&cfg.w[3], 0, sizeof(cfg) - 3*sizeof(cfg.w[0]));
+		memset(&cfg.w[3], 0, sizeof(cfg) - 3 * sizeof(cfg.w[0]));

 		/* compute the initial chaining values from config block */
 		/* zero the chaining variables */
@@ -547,7 +547,7 @@ int skein_1024_init_ext(struct skein_1024_ctx *ctx, size_t hash_bit_len,
 		skein_assert(sizeof(cfg.b) >= sizeof(ctx->x));
 		/* do a mini-Init right here */
 		/* set output hash bit count = state size */
-		ctx->h.hash_bit_len = 8*sizeof(ctx->x);
+		ctx->h.hash_bit_len = 8 * sizeof(ctx->x);
 		/* set tweaks: T0 = 0; T1 = KEY type */
 		skein_start_new_type(ctx, KEY);
 		/* zero the initial chaining variables */
@@ -620,7 +620,7 @@ int skein_1024_update(struct skein_1024_ctx *ctx, const u8 *msg,
 		 */
 		if (msg_byte_cnt > SKEIN_1024_BLOCK_BYTES) {
 			/* number of full blocks to process */
-			n = (msg_byte_cnt-1) / SKEIN_1024_BLOCK_BYTES;
+			n = (msg_byte_cnt - 1) / SKEIN_1024_BLOCK_BYTES;
 			skein_1024_process_block(ctx, msg, n,
 						 SKEIN_1024_BLOCK_BYTES);
 			msg_byte_cnt -= n * SKEIN_1024_BLOCK_BYTES;
@@ -668,19 +668,19 @@ int skein_1024_final(struct skein_1024_ctx *ctx, u8 *hash_val)
 	memset(ctx->b, 0, sizeof(ctx->b));
 	/* keep a local copy of counter mode "key" */
 	memcpy(x, ctx->x, sizeof(x));
-	for (i = 0; i*SKEIN_1024_BLOCK_BYTES < byte_cnt; i++) {
+	for (i = 0; i * SKEIN_1024_BLOCK_BYTES < byte_cnt; i++) {
 		/* build the counter block */
 		((u64 *)ctx->b)[0] = skein_swap64((u64) i);
 		skein_start_new_type(ctx, OUT_FINAL);
 		/* run "counter mode" */
 		skein_1024_process_block(ctx, ctx->b, 1, sizeof(u64));
 		/* number of output bytes left to go */
-		n = byte_cnt - i*SKEIN_1024_BLOCK_BYTES;
+		n = byte_cnt - i * SKEIN_1024_BLOCK_BYTES;
 		if (n >= SKEIN_1024_BLOCK_BYTES)
 			n  = SKEIN_1024_BLOCK_BYTES;
 		/* "output" the ctr mode bytes */
-		skein_put64_lsb_first(hash_val+i*SKEIN_1024_BLOCK_BYTES, ctx->x,
-				      n);
+		skein_put64_lsb_first(hash_val + (i * SKEIN_1024_BLOCK_BYTES),
+				ctx->x, n);
 		/* restore the counter mode key for next time */
 		memcpy(ctx->x, x, sizeof(x));
 	}
@@ -775,19 +775,19 @@ int skein_256_output(struct skein_256_ctx *ctx, u8 *hash_val)
 	memset(ctx->b, 0, sizeof(ctx->b));
 	/* keep a local copy of counter mode "key" */
 	memcpy(x, ctx->x, sizeof(x));
-	for (i = 0; i*SKEIN_256_BLOCK_BYTES < byte_cnt; i++) {
+	for (i = 0; i * SKEIN_256_BLOCK_BYTES < byte_cnt; i++) {
 		/* build the counter block */
 		((u64 *)ctx->b)[0] = skein_swap64((u64) i);
 		skein_start_new_type(ctx, OUT_FINAL);
 		/* run "counter mode" */
 		skein_256_process_block(ctx, ctx->b, 1, sizeof(u64));
 		/* number of output bytes left to go */
-		n = byte_cnt - i*SKEIN_256_BLOCK_BYTES;
+		n = byte_cnt - i * SKEIN_256_BLOCK_BYTES;
 		if (n >= SKEIN_256_BLOCK_BYTES)
 			n  = SKEIN_256_BLOCK_BYTES;
 		/* "output" the ctr mode bytes */
-		skein_put64_lsb_first(hash_val+i*SKEIN_256_BLOCK_BYTES, ctx->x,
-				      n);
+		skein_put64_lsb_first(hash_val + (i * SKEIN_256_BLOCK_BYTES),
+				ctx->x, n);
 		/* restore the counter mode key for next time */
 		memcpy(ctx->x, x, sizeof(x));
 	}
@@ -812,19 +812,19 @@ int skein_512_output(struct skein_512_ctx *ctx, u8 *hash_val)
 	memset(ctx->b, 0, sizeof(ctx->b));
 	/* keep a local copy of counter mode "key" */
 	memcpy(x, ctx->x, sizeof(x));
-	for (i = 0; i*SKEIN_512_BLOCK_BYTES < byte_cnt; i++) {
+	for (i = 0; i * SKEIN_512_BLOCK_BYTES < byte_cnt; i++) {
 		/* build the counter block */
 		((u64 *)ctx->b)[0] = skein_swap64((u64) i);
 		skein_start_new_type(ctx, OUT_FINAL);
 		/* run "counter mode" */
 		skein_512_process_block(ctx, ctx->b, 1, sizeof(u64));
 		/* number of output bytes left to go */
-		n = byte_cnt - i*SKEIN_512_BLOCK_BYTES;
+		n = byte_cnt - i * SKEIN_512_BLOCK_BYTES;
 		if (n >= SKEIN_512_BLOCK_BYTES)
 			n  = SKEIN_512_BLOCK_BYTES;
 		/* "output" the ctr mode bytes */
-		skein_put64_lsb_first(hash_val+i*SKEIN_512_BLOCK_BYTES, ctx->x,
-				      n);
+		skein_put64_lsb_first(hash_val + (i * SKEIN_512_BLOCK_BYTES),
+				ctx->x, n);
 		/* restore the counter mode key for next time */
 		memcpy(ctx->x, x, sizeof(x));
 	}
@@ -849,19 +849,19 @@ int skein_1024_output(struct skein_1024_ctx *ctx, u8 *hash_val)
 	memset(ctx->b, 0, sizeof(ctx->b));
 	/* keep a local copy of counter mode "key" */
 	memcpy(x, ctx->x, sizeof(x));
-	for (i = 0; i*SKEIN_1024_BLOCK_BYTES < byte_cnt; i++) {
+	for (i = 0; i * SKEIN_1024_BLOCK_BYTES < byte_cnt; i++) {
 		/* build the counter block */
 		((u64 *)ctx->b)[0] = skein_swap64((u64) i);
 		skein_start_new_type(ctx, OUT_FINAL);
 		/* run "counter mode" */
 		skein_1024_process_block(ctx, ctx->b, 1, sizeof(u64));
 		/* number of output bytes left to go */
-		n = byte_cnt - i*SKEIN_1024_BLOCK_BYTES;
+		n = byte_cnt - i * SKEIN_1024_BLOCK_BYTES;
 		if (n >= SKEIN_1024_BLOCK_BYTES)
 			n  = SKEIN_1024_BLOCK_BYTES;
 		/* "output" the ctr mode bytes */
-		skein_put64_lsb_first(hash_val+i*SKEIN_1024_BLOCK_BYTES, ctx->x,
-				      n);
+		skein_put64_lsb_first(hash_val + (i * SKEIN_1024_BLOCK_BYTES),
+				ctx->x, n);
 		/* restore the counter mode key for next time */
 		memcpy(ctx->x, x, sizeof(x));
 	}
diff --git a/drivers/staging/skein/skein_base.h b/drivers/staging/skein/skein_base.h
index 3c7f8ad..0817897 100644
--- a/drivers/staging/skein/skein_base.h
+++ b/drivers/staging/skein/skein_base.h
@@ -32,7 +32,7 @@
 /* below two prototype assume we are handed aligned data */
 #define skein_put64_lsb_first(dst08, src64, b_cnt) memcpy(dst08, src64, b_cnt)
 #define skein_get64_lsb_first(dst64, src08, w_cnt) \
-		memcpy(dst64, src08, 8*(w_cnt))
+		memcpy(dst64, src08, 8 * (w_cnt))
 #define skein_swap64(w64)  (w64)

 enum {
@@ -48,17 +48,17 @@ enum {
 #define  SKEIN_1024_STATE_WORDS 16
 #define  SKEIN_MAX_STATE_WORDS	16

-#define  SKEIN_256_STATE_BYTES  (8*SKEIN_256_STATE_WORDS)
-#define  SKEIN_512_STATE_BYTES  (8*SKEIN_512_STATE_WORDS)
-#define  SKEIN_1024_STATE_BYTES  (8*SKEIN_1024_STATE_WORDS)
+#define  SKEIN_256_STATE_BYTES  (8 * SKEIN_256_STATE_WORDS)
+#define  SKEIN_512_STATE_BYTES  (8 * SKEIN_512_STATE_WORDS)
+#define  SKEIN_1024_STATE_BYTES (8 * SKEIN_1024_STATE_WORDS)

-#define  SKEIN_256_STATE_BITS  (64*SKEIN_256_STATE_WORDS)
-#define  SKEIN_512_STATE_BITS  (64*SKEIN_512_STATE_WORDS)
-#define  SKEIN_1024_STATE_BITS  (64*SKEIN_1024_STATE_WORDS)
+#define  SKEIN_256_STATE_BITS   (64 * SKEIN_256_STATE_WORDS)
+#define  SKEIN_512_STATE_BITS   (64 * SKEIN_512_STATE_WORDS)
+#define  SKEIN_1024_STATE_BITS  (64 * SKEIN_1024_STATE_WORDS)

-#define  SKEIN_256_BLOCK_BYTES  (8*SKEIN_256_STATE_WORDS)
-#define  SKEIN_512_BLOCK_BYTES  (8*SKEIN_512_STATE_WORDS)
-#define  SKEIN_1024_BLOCK_BYTES  (8*SKEIN_1024_STATE_WORDS)
+#define  SKEIN_256_BLOCK_BYTES  (8 * SKEIN_256_STATE_WORDS)
+#define  SKEIN_512_BLOCK_BYTES  (8 * SKEIN_512_STATE_WORDS)
+#define  SKEIN_1024_BLOCK_BYTES (8 * SKEIN_1024_STATE_WORDS)

 struct skein_ctx_hdr {
 	size_t hash_bit_len;		/* size of hash result, in bits */
@@ -208,7 +208,7 @@ int skein_1024_output(struct skein_1024_ctx *ctx, u8 *hash_val);
 #define SKEIN_SCHEMA_VER        SKEIN_MK_64(SKEIN_VERSION, SKEIN_ID_STRING_LE)
 #define SKEIN_KS_PARITY         SKEIN_MK_64(0x1BD11BDA, 0xA9FC1A22)

-#define SKEIN_CFG_STR_LEN       (4*8)
+#define SKEIN_CFG_STR_LEN       (4 * 8)

 /* bit field definitions in config block tree_info word */
 #define SKEIN_CFG_TREE_LEAF_SIZE_POS  (0)
@@ -327,9 +327,9 @@ enum {
 #define SKEIN_512_ROUNDS_TOTAL (72)
 #define SKEIN_1024_ROUNDS_TOTAL (80)
 #else			/* allow command-line define in range 8*(5..14)   */
-#define SKEIN_256_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS/100) + 5) % 10) + 5))
-#define SKEIN_512_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS/10)  + 5) % 10) + 5))
-#define SKEIN_1024_ROUNDS_TOTAL (8*((((SKEIN_ROUNDS)     + 5) % 10) + 5))
+#define SKEIN_256_ROUNDS_TOTAL  (8 * ((((SKEIN_ROUNDS / 100) + 5) % 10) + 5))
+#define SKEIN_512_ROUNDS_TOTAL  (8 * ((((SKEIN_ROUNDS / 10)  + 5) % 10) + 5))
+#define SKEIN_1024_ROUNDS_TOTAL (8 * ((((SKEIN_ROUNDS)       + 5) % 10) + 5))
 #endif

 #endif  /* ifndef _SKEIN_H_ */
diff --git a/drivers/staging/skein/skein_block.c b/drivers/staging/skein/skein_block.c
index d31c7d2..0bd6864 100644
--- a/drivers/staging/skein/skein_block.c
+++ b/drivers/staging/skein/skein_block.c
@@ -120,10 +120,10 @@

 #if !(SKEIN_USE_ASM & 512)
 #undef  RCNT
-#define RCNT  (SKEIN_512_ROUNDS_TOTAL/8)
+#define RCNT  (SKEIN_512_ROUNDS_TOTAL / 8)

 #ifdef SKEIN_LOOP /* configure how much to unroll the loop */
-#define SKEIN_UNROLL_512 (((SKEIN_LOOP)/10)%10)
+#define SKEIN_UNROLL_512 (((SKEIN_LOOP) / 10) % 10)
 #else
 #define SKEIN_UNROLL_512 (0)
 #endif
@@ -200,7 +200,7 @@
 	} while (0)
 #define R512_UNROLL_R(NN)                             \
 		((SKEIN_UNROLL_512 == 0 &&            \
-		SKEIN_512_ROUNDS_TOTAL/8 > (NN)) ||   \
+		SKEIN_512_ROUNDS_TOTAL / 8 > (NN)) ||   \
 		(SKEIN_UNROLL_512 > (NN)))

 #if  (SKEIN_UNROLL_512 > 14)
@@ -210,7 +210,7 @@

 #if !(SKEIN_USE_ASM & 1024)
 #undef  RCNT
-#define RCNT  (SKEIN_1024_ROUNDS_TOTAL/8)
+#define RCNT  (SKEIN_1024_ROUNDS_TOTAL / 8)
 #ifdef SKEIN_LOOP /* configure how much to unroll the loop */
 #define SKEIN_UNROLL_1024 ((SKEIN_LOOP) % 10)
 #else
@@ -311,28 +311,28 @@
 #define R1024_8_ROUNDS(R)                                                 \
 	do {                                                              \
 		R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, \
-		      13, 14, 15, R1024_0, 8*(R) + 1);                    \
+		      13, 14, 15, R1024_0, 8 * (R) + 1);                  \
 		R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, \
-		      05, 08, 01, R1024_1, 8*(R) + 2);                    \
+		      05, 08, 01, R1024_1, 8 * (R) + 2);                  \
 		R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, \
-		      11, 10, 09, R1024_2, 8*(R) + 3);                    \
+		      11, 10, 09, R1024_2, 8 * (R) + 3);                  \
 		R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, \
-		      03, 12, 07, R1024_3, 8*(R) + 4);                    \
-		I1024(2*(R));                                             \
+		      03, 12, 07, R1024_3, 8 * (R) + 4);                  \
+		I1024(2 * (R));                                           \
 		R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, \
-		      13, 14, 15, R1024_4, 8*(R) + 5);                    \
+		      13, 14, 15, R1024_4, 8 * (R) + 5);                  \
 		R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, \
-		      05, 08, 01, R1024_5, 8*(R) + 6);                    \
+		      05, 08, 01, R1024_5, 8 * (R) + 6);                  \
 		R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, \
-		      11, 10, 09, R1024_6, 8*(R) + 7);                    \
+		      11, 10, 09, R1024_6, 8 * (R) + 7);                  \
 		R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, \
-		      03, 12, 07, R1024_7, 8*(R) + 8);                    \
-		I1024(2*(R)+1);                                           \
+		      03, 12, 07, R1024_7, 8 * (R) + 8);                  \
+		I1024(2 * (R) + 1);                                       \
 	} while (0)

 #define R1024_UNROLL_R(NN)                              \
 		((SKEIN_UNROLL_1024 == 0 &&             \
-		SKEIN_1024_ROUNDS_TOTAL/8 > (NN)) ||    \
+		SKEIN_1024_ROUNDS_TOTAL / 8 > (NN)) ||  \
 		(SKEIN_UNROLL_1024 > (NN)))

 #if  (SKEIN_UNROLL_1024 > 14)
@@ -351,10 +351,10 @@ void skein_256_process_block(struct skein_256_ctx *ctx, const u8 *blk_ptr,
 	size_t r;
 #if SKEIN_UNROLL_256
 	/* key schedule: chaining vars + tweak + "rot"*/
-	u64  kw[WCNT+4+RCNT*2];
+	u64  kw[WCNT + 4 + (RCNT * 2)];
 #else
 	/* key schedule words : chaining vars + tweak */
-	u64  kw[WCNT+4];
+	u64  kw[WCNT + 4];
 #endif
 	u64  X0, X1, X2, X3; /* local copy of context vars, for speed */
 	u64  w[WCNT]; /* local copy of input block */
@@ -481,9 +481,10 @@ void skein_512_process_block(struct skein_512_ctx *ctx, const u8 *blk_ptr,
 	};
 	size_t  r;
 #if SKEIN_UNROLL_512
-	u64  kw[WCNT+4+RCNT*2]; /* key sched: chaining vars + tweak + "rot"*/
+	/* key sched: chaining vars + tweak + "rot"*/
+	u64  kw[WCNT + 4 + RCNT * 2];
 #else
-	u64  kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
+	u64  kw[WCNT + 4]; /* key schedule words : chaining vars + tweak */
 #endif
 	u64  X0, X1, X2, X3, X4, X5, X6, X7; /* local copies, for speed */
 	u64  w[WCNT]; /* local copy of input block */
@@ -630,9 +631,10 @@ void skein_1024_process_block(struct skein_1024_ctx *ctx, const u8 *blk_ptr,
 	};
 	size_t  r;
 #if (SKEIN_UNROLL_1024 != 0)
-	u64  kw[WCNT+4+RCNT*2]; /* key sched: chaining vars + tweak + "rot" */
+	/* key sched: chaining vars + tweak + "rot" */
+	u64  kw[WCNT + 4 + (RCNT * 2)];
 #else
-	u64  kw[WCNT+4]; /* key schedule words : chaining vars + tweak */
+	u64  kw[WCNT + 4]; /* key schedule words : chaining vars + tweak */
 #endif

 	/* local copy of vars, for speed */
diff --git a/drivers/staging/skein/threefish_api.h b/drivers/staging/skein/threefish_api.h
index 8e0a0b7..615e467 100644
--- a/drivers/staging/skein/threefish_api.h
+++ b/drivers/staging/skein/threefish_api.h
@@ -52,7 +52,7 @@ enum threefish_size {
  */
 struct threefish_key {
 	u64 state_size;
-	u64 key[SKEIN_MAX_STATE_WORDS+1];   /* max number of key words*/
+	u64 key[SKEIN_MAX_STATE_WORDS + 1];   /* max number of key words*/
 	u64 tweak[3];
 };

--
2.8.0



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