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crypto: af_alg - use list_for_each_entry() in af_alg_count_tsgl()

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af_alg_count_tsgl() iterates through a list without modifying it, so use
list_for_each_entry() rather than list_for_each_entry_safe().  Also make
the pointers 'const' to make it clearer that nothing is modified.

No actual change in behavior.

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 2019-01-10 12:18:01 -08:00 committed by Herbert Xu
parent 466e075926
commit 7c39edfb04
1 changed files with 5 additions and 5 deletions
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10
crypto/af_alg.c
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@ -530,17 +530,17 @@ static int af_alg_alloc_tsgl(struct sock *sk)
*/
unsigned int af_alg_count_tsgl(struct sock *sk, size_t bytes, size_t offset)
{
struct alg_sock *ask = alg_sk(sk);
struct af_alg_ctx *ctx = ask->private;
struct af_alg_tsgl *sgl, *tmp;
const struct alg_sock *ask = alg_sk(sk);
const struct af_alg_ctx *ctx = ask->private;
const struct af_alg_tsgl *sgl;
unsigned int i;
unsigned int sgl_count = 0;
if (!bytes)
return 0;
list_for_each_entry_safe(sgl, tmp, &ctx->tsgl_list, list) {
struct scatterlist *sg = sgl->sg;
list_for_each_entry(sgl, &ctx->tsgl_list, list) {
const struct scatterlist *sg = sgl->sg;
for (i = 0; i < sgl->cur; i++) {
size_t bytes_count;