diff mbox series

[bpf-next,1/8] selftests/bpf: Fix tx_prog_fd values in test_sockmap

Message ID 08b20ffc544324d40939efeae93800772a91a58e.1716446893.git.tanggeliang@kylinos.cn (mailing list archive)
State Accepted
Commit d95ba15b97847f4ae520db83bd98b61d50fb3068
Delegated to: BPF
Headers show
Series fixes for test_sockmap | expand

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Commit Message

Geliang Tang May 23, 2024, 6:49 a.m. UTC 
From: Geliang Tang <tanggeliang@kylinos.cn>

The values of tx_prog_fd in run_options() should not be 0, so set it as -1
in else branch, and test it using "if (tx_prog_fd > 0)" condition, not
"if (tx_prog_fd)" or "if (tx_prog_fd >= 0)".

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
---
 tools/testing/selftests/bpf/test_sockmap.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Comments

John Fastabend May 27, 2024, 5:02 p.m. UTC | #1 
Geliang Tang wrote:
> From: Geliang Tang <tanggeliang@kylinos.cn>
> 
> The values of tx_prog_fd in run_options() should not be 0, so set it as -1
> in else branch, and test it using "if (tx_prog_fd > 0)" condition, not
> "if (tx_prog_fd)" or "if (tx_prog_fd >= 0)".
> 
> Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
> ---

Acked-by: John Fastabend <john.fastabend@gmail.com>
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index 4499b3cfc3a6..fde0dd741e69 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -1027,9 +1027,9 @@  static int run_options(struct sockmap_options *options, int cg_fd,  int test)
 	else if (txmsg_drop)
 		tx_prog_fd = prog_fd[8];
 	else
-		tx_prog_fd = 0;
+		tx_prog_fd = -1;
 
-	if (tx_prog_fd) {
+	if (tx_prog_fd > 0) {
 		int redir_fd, i = 0;
 
 		err = bpf_prog_attach(tx_prog_fd,
@@ -1285,7 +1285,7 @@  static int run_options(struct sockmap_options *options, int cg_fd,  int test)
 	bpf_prog_detach2(prog_fd[0], map_fd[8], BPF_SK_SKB_STREAM_PARSER);
 	bpf_prog_detach2(prog_fd[2], map_fd[8], BPF_SK_SKB_STREAM_VERDICT);
 
-	if (tx_prog_fd >= 0)
+	if (tx_prog_fd > 0)
 		bpf_prog_detach2(tx_prog_fd, map_fd[1], BPF_SK_MSG_VERDICT);
 
 	for (i = 0; i < 8; i++) {