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crypto: gf128mul - constify 4k and 64k multiplication tables

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Constify the multiplication tables passed to the 4k and 64k
multiplication functions, as they are not modified by these functions.

Cc: Alex Cope <alexcope@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers
2017-02-14 13:43:30 -08:00
committed by Herbert Xu
parent f33fd64778
commit 3ea996ddfb
2 changed files with 6 additions and 6 deletions
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6
crypto/gf128mul.c
View File

@@ -329,7 +329,7 @@ void gf128mul_free_64k(struct gf128mul_64k *t)
} }
EXPORT_SYMBOL(gf128mul_free_64k); EXPORT_SYMBOL(gf128mul_free_64k);
void gf128mul_64k_bbe(be128 *a, struct gf128mul_64k *t) void gf128mul_64k_bbe(be128 *a, const struct gf128mul_64k *t)
{ {
u8 *ap = (u8 *)a; u8 *ap = (u8 *)a;
be128 r[1]; be128 r[1];
@@ -402,7 +402,7 @@ out:
} }
EXPORT_SYMBOL(gf128mul_init_4k_bbe); EXPORT_SYMBOL(gf128mul_init_4k_bbe);
void gf128mul_4k_lle(be128 *a, struct gf128mul_4k *t) void gf128mul_4k_lle(be128 *a, const struct gf128mul_4k *t)
{ {
u8 *ap = (u8 *)a; u8 *ap = (u8 *)a;
be128 r[1]; be128 r[1];
@@ -417,7 +417,7 @@ void gf128mul_4k_lle(be128 *a, struct gf128mul_4k *t)
} }
EXPORT_SYMBOL(gf128mul_4k_lle); EXPORT_SYMBOL(gf128mul_4k_lle);
void gf128mul_4k_bbe(be128 *a, struct gf128mul_4k *t) void gf128mul_4k_bbe(be128 *a, const struct gf128mul_4k *t)
{ {
u8 *ap = (u8 *)a; u8 *ap = (u8 *)a;
be128 r[1]; be128 r[1];

6
include/crypto/gf128mul.h
View File

@@ -174,8 +174,8 @@ struct gf128mul_4k {
struct gf128mul_4k *gf128mul_init_4k_lle(const be128 *g); struct gf128mul_4k *gf128mul_init_4k_lle(const be128 *g);
struct gf128mul_4k *gf128mul_init_4k_bbe(const be128 *g); struct gf128mul_4k *gf128mul_init_4k_bbe(const be128 *g);
void gf128mul_4k_lle(be128 *a, struct gf128mul_4k *t); void gf128mul_4k_lle(be128 *a, const struct gf128mul_4k *t);
void gf128mul_4k_bbe(be128 *a, struct gf128mul_4k *t); void gf128mul_4k_bbe(be128 *a, const struct gf128mul_4k *t);
static inline void gf128mul_free_4k(struct gf128mul_4k *t) static inline void gf128mul_free_4k(struct gf128mul_4k *t)
{ {
@@ -196,6 +196,6 @@ struct gf128mul_64k {
*/ */
struct gf128mul_64k *gf128mul_init_64k_bbe(const be128 *g); struct gf128mul_64k *gf128mul_init_64k_bbe(const be128 *g);
void gf128mul_free_64k(struct gf128mul_64k *t); void gf128mul_free_64k(struct gf128mul_64k *t);
void gf128mul_64k_bbe(be128 *a, struct gf128mul_64k *t); void gf128mul_64k_bbe(be128 *a, const struct gf128mul_64k *t);
#endif /* _CRYPTO_GF128MUL_H */ #endif /* _CRYPTO_GF128MUL_H */