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crypto: stm32 - use list_first_entry_or_null to simplify cryp_find_dev

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Use list_first_entry_or_null() to simplify stm32_cryp_find_dev() and
remove the now-unused local variable 'struct stm32_cryp *tmp'.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thorsten Blum
2026-03-20 09:49:14 +01:00
committed by Herbert Xu
parent 1a9670df56
commit 92c0a9bbcd
1 changed files with 5 additions and 11 deletions
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16
drivers/crypto/stm32/stm32-cryp.c
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@@ -361,19 +361,13 @@ static int stm32_cryp_it_start(struct stm32_cryp *cryp);
static struct stm32_cryp *stm32_cryp_find_dev(struct stm32_cryp_ctx *ctx)
{
struct stm32_cryp *tmp, *cryp = NULL;
struct stm32_cryp *cryp;
spin_lock_bh(&cryp_list.lock);
if (!ctx->cryp) {
list_for_each_entry(tmp, &cryp_list.dev_list, list) {
cryp = tmp;
break;
}
ctx->cryp = cryp;
} else {
cryp = ctx->cryp;
}
if (!ctx->cryp)
ctx->cryp = list_first_entry_or_null(&cryp_list.dev_list,
struct stm32_cryp, list);
cryp = ctx->cryp;
spin_unlock_bh(&cryp_list.lock);
return cryp;