error-decode: stdin is 0 not 1

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/tools/intel_error_decode.c b/tools/intel_error_decode.c
index e21b839..f85b865 100644 (file)
--- a/tools/intel_error_decode.c
+++ b/tools/intel_error_decode.c
@@ -327,7 +327,7 @@ main (int argc, char *argv[])
     }
 
     if (argc == 1) {
-       if (isatty(1)) {
+       if (isatty(0)) {
            path = "/debug/dri/0";
            err = stat (path, &st);
            if (err != 0) {