From: Simon Glass <sjg@chromium.org>
Date: Sun, 17 Dec 2023 16:36:19 +0000 (-0700)
Subject: fdtgrep: Simplify code to inverting the match
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fdtgrep: Simplify code to inverting the match

The code to invert the match in h_include() is a bit convoluted.
Simplify it by using disp->invert only once.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/tools/fdtgrep.c b/tools/fdtgrep.c
index a6cdc32670..b06a1a7a83 100644
--- a/tools/fdtgrep.c
+++ b/tools/fdtgrep.c
@@ -634,14 +634,8 @@ static int h_include(void *priv, const void *fdt, int offset, int type,
 			inc = 0;
 	}
 
-	switch (inc) {
-	case 1:
-		inc = !disp->invert;
-		break;
-	case 0:
-		inc = disp->invert;
-		break;
-	}
+	if (inc != -1 && disp->invert)
+		inc = !inc;
 	debug("   - returning %d\n", inc);
 
 	return inc;