[PATCH 4/6] crypto: ecdsa: make crypto/ecdsa.h header self-containing

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Currently, generating standalone keys fails, because the header
references symbols that aren't defined within.

Fixes: c949c6ab360c ("crypto: add ECDSA support")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 include/crypto/ecdsa.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/crypto/ecdsa.h b/include/crypto/ecdsa.h
index 1d6340c64513..2e2b359d96cf 100644
--- a/include/crypto/ecdsa.h
+++ b/include/crypto/ecdsa.h
@@ -2,6 +2,10 @@
 #ifndef _ECDSA_H
 #define _ECDSA_H
 
+#include <linux/types.h>
+#include <linux/list.h>
+#include <errno.h>
+
 struct ecdsa_public_key {
 	const char *curve_name;	/* Name of curve, e.g. "prime256v1" */
 	const uint64_t *x;	/* x coordinate of public key */
-- 
2.39.5