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New subflows are created within the kernel using O_NONBLOCK, so EINPROGRESS is the expected return value from kernel_connect(). __mptcp_subflow_connect() has the correct logic to consider EINPROGRESS to be a successful case, but it has also used that error code as its return value. Before v5.19 this was benign: all the callers ignored the return value. Starting in v5.19 there is a MPTCP_PM_CMD_SUBFLOW_CREATE generic netlink command that does use the return value, so the EINPROGRESS gets propagated to userspace. Make __mptcp_subflow_connect() always return 0 on success instead. Fixes: |
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| .. | ||
| bpf.c | ||
| crypto_test.c | ||
| crypto.c | ||
| ctrl.c | ||
| diag.c | ||
| Kconfig | ||
| Makefile | ||
| mib.c | ||
| mib.h | ||
| mptcp_diag.c | ||
| options.c | ||
| pm_netlink.c | ||
| pm_userspace.c | ||
| pm.c | ||
| protocol.c | ||
| protocol.h | ||
| sockopt.c | ||
| subflow.c | ||
| syncookies.c | ||
| token_test.c | ||
| token.c | ||