Messages in this thread | | | Date | Fri, 27 Apr 2007 22:34:11 +0100 | From | Alan Cox <> | Subject | Re: Driver core: warn when userspace writes to the uevent file in a non-supported way |
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> In the future we will allow the uevent type to be written to the uevent > file to trigger the different types of uevents. But for now, as we only > support the ADD event, warn if userspace tries to write anything else to > this file. > > Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> > Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> > --- > drivers/base/core.c | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/drivers/base/core.c b/drivers/base/core.c > index 72c6ee5..f69305c 100644 > --- a/drivers/base/core.c > +++ b/drivers/base/core.c > @@ -296,6 +296,9 @@ out: > static ssize_t store_uevent(struct device *dev, struct device_attribute *attr, > const char *buf, size_t count) > { > + if (memcmp(buf, "add", 3) != 0) > + dev_err(dev, "uevent: unsupported action-string; this will " > + "be ignored in a future kernel version");
Warnings good, lack of rate limiting extremely bad indeed. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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