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    Subject[patch 06/25] x86: io delay - add checking for NULL early param

    2.6.26-stable review patch. If anyone has any objections, please let us
    know.

    ------------------

    From: Cyrill Gorcunov <gorcunov@gmail.com>

    [ Upstream commit d6cd7effcc5e0047faf15ab0a54c980f1a616a07 ]

    Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
    Cc: akpm@linux-foundation.org
    Cc: andi@firstfloor.org
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    CC: Oliver Pinter <oliver.pntr@gmail.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    arch/x86/kernel/io_delay.c | 3 +++
    1 file changed, 3 insertions(+)

    --- a/arch/x86/kernel/io_delay.c
    +++ b/arch/x86/kernel/io_delay.c
    @@ -103,6 +103,9 @@ void __init io_delay_init(void)

    static int __init io_delay_param(char *s)
    {
    + if (!s)
    + return -EINVAL;
    +
    if (!strcmp(s, "0x80"))
    io_delay_type = CONFIG_IO_DELAY_TYPE_0X80;
    else if (!strcmp(s, "0xed"))
    --


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