[nftables PATCH] src: fix return code

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Exit with NFT_EXIT_FAILURE if something went wrong in the netlink zone.

Before this patch:

# nft list chain filter asd ; echo $?
internal:0:0-0: Error: Could not find chain `asd' in table `filter': [...]

0

After this patch:

# nft list chain filter asd ; echo $?
internal:0:0-0: Error: Could not find chain `asd' in table `filter': [...]

1

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@xxxxxxxxx>
---
 src/main.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/main.c b/src/main.c
index 3ddcb71..9aa5f1b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -222,7 +222,7 @@ int main(int argc, char * const *argv)
 	char *buf = NULL, *filename = NULL;
 	unsigned int len;
 	bool interactive = false;
-	int i, val;
+	int i, val, rc = NFT_EXIT_FAILURE;
 
 	while (1) {
 		val = getopt_long(argc, argv, OPTSTRING, options, NULL);
@@ -318,11 +318,12 @@ int main(int argc, char * const *argv)
 		exit(NFT_EXIT_FAILURE);
 	}
 
-	nft_run(scanner, &state, &msgs);
+	if (nft_run(scanner, &state, &msgs) == 0)
+		rc = NFT_EXIT_SUCCESS;
 out:
 	scanner_destroy(scanner);
 	erec_print_list(stdout, &msgs);
 
 	xfree(buf);
-	return 0;
+	exit(rc);
 }

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