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    SubjectRe: [PATCH] PCI and I2C fixes for 2.6.8
    Date
    From
    ChangeSet 1.1807.56.25, 2004/08/06 15:26:03-07:00, johnpol@2ka.mipt.ru

    [PATCH] w1: Added w1_check_family().

    w1_check_family() checks new family before registering it.

    Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
    Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>


    drivers/w1/w1_family.c | 11 +++++++++++
    1 files changed, 11 insertions(+)


    diff -Nru a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c
    --- a/drivers/w1/w1_family.c 2004-08-23 11:04:14 -07:00
    +++ b/drivers/w1/w1_family.c 2004-08-23 11:04:14 -07:00
    @@ -27,11 +27,22 @@
    spinlock_t w1_flock = SPIN_LOCK_UNLOCKED;
    static LIST_HEAD(w1_families);

    +static int w1_check_family(struct w1_family *f)
    +{
    + if (!f->fops->rname || !f->fops->rbin || !f->fops->rval || !f->fops->rvalname)
    + return -EINVAL;
    +
    + return 0;
    +}
    +
    int w1_register_family(struct w1_family *newf)
    {
    struct list_head *ent, *n;
    struct w1_family *f;
    int ret = 0;
    +
    + if (w1_check_family(newf))
    + return -EINVAL;

    spin_lock(&w1_flock);
    list_for_each_safe(ent, n, &w1_families) {
    -
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