Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
crypto: img-hash - use list_first_entry_or_null to simplify digest
Use list_first_entry_or_null() to simplify img_hash_digest() and remove
the now-unused local 'struct img_hash_dev *' variables. Use 'ctx->hdev'
when calling img_hash_handle_queue() instead of 'tctx->hdev'.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
authored by
Thorsten Blum
and committed by
Herbert Xu
3a31b7fd
cdadc143
+6
-15
+6
-15
drivers/crypto/img-hash.c
+6
-15
drivers/crypto/img-hash.c
···
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struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
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struct img_hash_ctx *tctx = crypto_ahash_ctx(tfm);
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struct img_hash_request_ctx *ctx = ahash_request_ctx(req);
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-
struct img_hash_dev *hdev = NULL;
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-
struct img_hash_dev *tmp;
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int err;
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spin_lock(&img_hash.lock);
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-
if (!tctx->hdev) {
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-
list_for_each_entry(tmp, &img_hash.dev_list, list) {
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-
hdev = tmp;
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break;
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}
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tctx->hdev = hdev;
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-
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-
} else {
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hdev = tctx->hdev;
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-
}
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-
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+
if (!tctx->hdev)
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tctx->hdev = list_first_entry_or_null(&img_hash.dev_list,
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+
struct img_hash_dev, list);
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+
ctx->hdev = tctx->hdev;
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spin_unlock(&img_hash.lock);
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-
ctx->hdev = hdev;
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+
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ctx->flags = 0;
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ctx->digsize = crypto_ahash_digestsize(tfm);
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···
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ctx->sgfirst = req->src;
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ctx->nents = sg_nents(ctx->sg);
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-
err = img_hash_handle_queue(tctx->hdev, req);
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+
err = img_hash_handle_queue(ctx->hdev, req);
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return err;
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}