[PATCH] selftests: mptcp: initialize raw_addr to Null

From: Ankit Khushwaha

Date: Wed Nov 26 2025 - 11:31:07 EST


The "void *raw_addr" is left uninitialized when else path is
followed raising below warning.

mptcp_connect.c:1262:11: warning: variable 'raw_addr' is used
uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]

so the fix is to assign *raw_addr to NULL to suppress the warning.

Signed-off-by: Ankit Khushwaha <ankitkhushwaha.linux@xxxxxxxxx>
---
compiler used: clang version 21.1.5 (Fedora 21.1.5-1.fc43).
compilation cmd used:
make -C tools/testing/selftests/net/mptcp CC=clang V=1 -j8

this maybe also be false positive. But somehow clang - 21.1.5
triggering this.

---
tools/testing/selftests/net/mptcp/mptcp_connect.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.c b/tools/testing/selftests/net/mptcp/mptcp_connect.c
index 404a77bf366a..cdb81e0d08ad 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.c
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.c
@@ -1248,8 +1248,8 @@ void xdisconnect(int fd)
{
socklen_t addrlen = sizeof(struct sockaddr_storage);
struct sockaddr_storage addr, empty;
+ void *raw_addr = NULL;
int msec_sleep = 10;
- void *raw_addr;
int i, cmdlen;
char cmd[128];

--
2.52.0