avutil: use EINVAL instead of -1 for the return code of crypto related init functions

These functions return an error typically when the key size is an
incorrect number. AVERROR(EINVAL) is more specific than -1.

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavutil/ripemd.c b/libavutil/ripemd.c
index 00848605ec..d247fb4fc7 100644
--- a/libavutil/ripemd.c
+++ b/libavutil/ripemd.c
@@ -504,7 +504,7 @@ av_cold int av_ripemd_init(AVRIPEMD *ctx, int bits)
         ctx->transform = ripemd320_transform;
         break;
     default:
-        return -1;
+        return AVERROR(EINVAL);
     }
     ctx->count = 0;
     return 0;