crypto: octeontx2 - Call strscpy() with correct size argument

JIRA: https://issues.redhat.com/browse/RHEL-122025
Upstream Status: merged into the linux.git

commit 361fa7f
Author: Thorsten Blum <thorsten.blum@linux.dev>
Date:   Mon Aug 11 11:24:57 2025 +0200

    crypto: octeontx2 - Call strscpy() with correct size argument

    In otx2_cpt_dl_custom_egrp_create(), strscpy() is called with the length
    of the source string rather than the size of the destination buffer.

    This is fine as long as the destination buffer is larger than the source
    string, but we should still use the destination buffer size instead to
    call strscpy() as intended. And since 'tmp_buf' is a fixed-size buffer,
    we can safely omit the size argument and let strscpy() infer it using
    sizeof().

    Fixes: d9d7749 ("crypto: octeontx2 - add apis for custom engine groups")
    Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: Vladis Dronov <vdronov@redhat.com>

Author: nefigtut

drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c

@@ -1613,7 +1613,7 @@ int otx2_cpt_dl_custom_egrp_create(struct otx2_cptpf_dev *cptpf,
 		return -EINVAL;
 	}
 	err_msg = "Invalid engine group format";
-	strscpy(tmp_buf, ctx->val.vstr, strlen(ctx->val.vstr) + 1);
+	strscpy(tmp_buf, ctx->val.vstr);
 	start = tmp_buf;
 
 	has_se = has_ie = has_ae = false;