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    Subject[PATCH 4/8] Use __kernel_long_t in struct msgbuf
    Date
    X32 msgsnd/msgrcv system calls are the same as x86-64 msgsnd/msgrcv system
    calls, which use 64-bit integer for long in struct msgbuf . But x32 long
    is 32 bit. This patch replaces long in struct msgbuf with __kernel_long_t.

    Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
    ---
    include/uapi/linux/msg.h | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/include/uapi/linux/msg.h b/include/uapi/linux/msg.h
    index 22d95c6..a703755 100644
    --- a/include/uapi/linux/msg.h
    +++ b/include/uapi/linux/msg.h
    @@ -34,8 +34,8 @@ struct msqid_ds {

    /* message buffer for msgsnd and msgrcv calls */
    struct msgbuf {
    - long mtype; /* type of message */
    - char mtext[1]; /* message text */
    + __kernel_long_t mtype; /* type of message */
    + char mtext[1]; /* message text */
    };

    /* buffer for msgctl calls IPC_INFO, MSG_INFO */
    --
    1.8.4.2


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