crypto: squash lines for simple wrapper functions

Remove unneeded variables and assignments.

Signed-off-by: Masahiro Yamada <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

crypto/crct10dif_generic.c

···
 
 static int __init crct10dif_mod_init(void)
 {
-	int ret;
-
-	ret = crypto_register_shash(&alg);
-	return ret;
+	return crypto_register_shash(&alg);
 }
 
 static void __exit crct10dif_mod_fini(void)

crypto/mcryptd.c

···
 
 int ahash_mcryptd_digest(struct ahash_request *desc)
 {
-	int err;
-
-	err = crypto_ahash_init(desc) ?:
-	      ahash_mcryptd_finup(desc);
-
-	return err;
+	return crypto_ahash_init(desc) ?: ahash_mcryptd_finup(desc);
 }
 
 int ahash_mcryptd_update(struct ahash_request *desc)

drivers/crypto/hifn_795x.c

···
 
 static inline u32 hifn_read_0(struct hifn_device *dev, u32 reg)
 {
-	u32 ret;
-
-	ret = readl(dev->bar[0] + reg);
-
-	return ret;
+	return readl(dev->bar[0] + reg);
 }
 
 static inline u32 hifn_read_1(struct hifn_device *dev, u32 reg)
 {
-	u32 ret;
-
-	ret = readl(dev->bar[1] + reg);
-
-	return ret;
+	return readl(dev->bar[1] + reg);
 }
 
 static inline void hifn_write_0(struct hifn_device *dev, u32 reg, u32 val)