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    Subject[4/12] unregister driver if probing fails in sb_card.c
     * Unregister driver if probing fails in sound/oss/sb_card.c
    This fixes Debian BTS #218845.
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=218845

    From: Robin Gerard <robin.jag@free.fr>
    To: submit@bugs.debian.org
    Subject: no sound with kernel-image-2.6.0-test9-1-386
    Message-ID: <20031103004939.GA2071@mauritius>

    I downlaoded the kernel-image-2.6.0-test9-1-386_2.6.0-test9-1_i386.deb
    and I installed it successfully. Everything works fine, except the sound.
    (I run also the kernel-image-2.4.20 and the sound is ok with this kernel)
    My sound card is a sb.

    First I launched modconf but no module was displayed.

    I did: modprobe sb=20
    and I got:

    sb: Init: Done
    sb: Init: Starting Probe...
    kobject_register failed for OSS SndBlstr (-17)
    Call Trace:
    [<c0191cda>] kobject_register+0x3a/0x40
    [<c01d9bcc>] bus_add_driver+0x30/0x64
    [<c01d9e51>] driver_register+0x2d/0x34
    [<c011a24a>] preempt_schedule+0x2a/0x48
    [<c01b6f84>] pnp_register_driver+0x28/0x58
    [<c01b6c5e>] pnp_register_card_driver+0x5e/0x98
    [<c488f063>] sb_init+0x63/0xb5 [sb]
    [<c0130bf4>] sys_init_module+0xe8/0x1f0
    [<c010b577>] syscall_call+0x7/0xb


    Index: linux-2.5/sound/oss/sb_card.c
    ===================================================================
    --- linux-2.5.orig/sound/oss/sb_card.c 2004-06-13 11:57:56.000000000 -0700
    +++ linux-2.5/sound/oss/sb_card.c 2004-06-13 12:08:55.000000000 -0700
    @@ -309,7 +309,13 @@

    /* If either PnP or Legacy registered a card then return
    * success */
    - return (pres > 0 || lres > 0) ? 0 : -ENODEV;
    + if (pres <= 0 && lres <= 0) {
    +#ifdef CONFIG_PNP
    + pnp_unregister_card_driver(&sb_pnp_driver);
    +#endif
    + return -ENODEV;
    + }
    + return 0;
    }

    static void __exit sb_exit(void)
    -
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