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dm crypt: Constify static crypt_iv_operations

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The only usage of these structs is to assign their address to the
iv_gen_ops field in the crypt config struct, which is a pointer to
const. Make them const like the rest of the static crypt_iv_operations
structs. This allows the compiler to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Rikard Falkeborn 2020-11-21 23:22:48 +01:00 committed by Mike Snitzer
parent 410fe22007
commit e8dc79d1bd
1 changed files with 3 additions and 3 deletions
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6
drivers/md/dm-crypt.c
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@ -1090,16 +1090,16 @@ static const struct crypt_iv_operations crypt_iv_tcw_ops = {
.post = crypt_iv_tcw_post
};
static struct crypt_iv_operations crypt_iv_random_ops = {
static const struct crypt_iv_operations crypt_iv_random_ops = {
.generator = crypt_iv_random_gen
};
static struct crypt_iv_operations crypt_iv_eboiv_ops = {
static const struct crypt_iv_operations crypt_iv_eboiv_ops = {
.ctr = crypt_iv_eboiv_ctr,
.generator = crypt_iv_eboiv_gen
};
static struct crypt_iv_operations crypt_iv_elephant_ops = {
static const struct crypt_iv_operations crypt_iv_elephant_ops = {
.ctr = crypt_iv_elephant_ctr,
.dtr = crypt_iv_elephant_dtr,
.init = crypt_iv_elephant_init,