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    Subject[PATCH 5.9 039/133] mptcp: token: fix unititialized variable
    Date
    From: Davide Caratti <dcaratti@redhat.com>

    [ Upstream commit e16b874ee87aa70cd0a7145346ff5f41349b514c ]

    gcc complains about use of uninitialized 'num'. Fix it by doing the first
    assignment of 'num' when the variable is declared.

    Fixes: 96d890daad05 ("mptcp: add msk interations helper")
    Signed-off-by: Davide Caratti <dcaratti@redhat.com>
    Acked-by: Paolo Abeni <pabeni@redhat.com>
    Link: https://lore.kernel.org/r/49e20da5d467a73414d4294a8bd35e2cb1befd49.1604308087.git.dcaratti@redhat.com
    Signed-off-by: Jakub Kicinski <kuba@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    net/mptcp/token.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/net/mptcp/token.c
    +++ b/net/mptcp/token.c
    @@ -291,7 +291,7 @@ struct mptcp_sock *mptcp_token_iter_next
    {
    struct mptcp_sock *ret = NULL;
    struct hlist_nulls_node *pos;
    - int slot, num;
    + int slot, num = 0;

    for (slot = *s_slot; slot <= token_mask; *s_num = 0, slot++) {
    struct token_bucket *bucket = &token_hash[slot];

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