lib: fix error code for the improved protocol check

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/lib/compress_hw.c b/src/lib/compress_hw.c
index 83e09f29b10a714a3461c0815e98c45ac466714b..971c4a8a03fd1c9292907487b254e7fadd13950f 100644 (file)
--- a/src/lib/compress_hw.c
+++ b/src/lib/compress_hw.c
@@ -179,7 +179,7 @@ static void *compress_hw_open_by_name(const char *name,
        }
 
        if (compress->ioctl_version < 0) {
-               oops(&bad_compress, -EPROTO, "invalid protocol version number");
+               oops(&bad_compress, EPROTO, "invalid protocol version number");
                goto codec_fail;
        }