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authorMichal Luczaj <mhal@rbox.co>2025-01-28 14:15:28 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-02-08 09:58:08 +0100
commita06bb37d6541d545965ec7dddfe1b73dbb10e2ee (patch)
tree8b3253117ba6fe736486611fc77dfcf86289c18b
parent377d47fda395961cb99d28907fcbaf5198325c0b (diff)
vsock: Allow retrying on connect() failure
[ Upstream commit aa388c72113b7458127b709bdd7d3628af26e9b4 ] sk_err is set when a (connectible) connect() fails. Effectively, this makes an otherwise still healthy SS_UNCONNECTED socket impossible to use for any subsequent connection attempts. Clear sk_err upon trying to establish a connection. Fixes: d021c344051a ("VSOCK: Introduce VM Sockets") Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Luigi Leonardi <leonardi@redhat.com> Signed-off-by: Michal Luczaj <mhal@rbox.co> Link: https://patch.msgid.link/20250128-vsock-transport-vs-autobind-v3-2-1cf57065b770@rbox.co Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--net/vmw_vsock/af_vsock.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 15724f171b0f..f5d116a1bdea 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1519,6 +1519,11 @@ static int vsock_connect(struct socket *sock, struct sockaddr *addr,
if (err < 0)
goto out;
+ /* sk_err might have been set as a result of an earlier
+ * (failed) connect attempt.
+ */
+ sk->sk_err = 0;
+
/* Mark sock as connecting and set the error code to in
* progress in case this is a non-blocking connect.
*/