From: Fabio Estevam <fabio.estevam@xxxxxxx>
When dtc is called without any argument the application hangs forever.
Instead of hanging, print the usage and exit.
Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx>
---
dtc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/dtc.c b/dtc.c
index 5ed873c..6308a63 100644
--- a/dtc.c
+++ b/dtc.c
@@ -269,6 +269,8 @@ int main(int argc, char *argv[])
}
}
+ if (argc == 1)
+ usage(NULL);
if (argc > (optind+1))
usage("missing files");
else if (argc < (optind+1))
--
2.7.4
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