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| author | Rusty Russell <rusty@rustcorp.com.au> | 2014-03-24 05:30:34 +0400 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2014-03-24 05:51:00 +0400 |
| commit | 58f86cc89c3372d3e61d5b71e5513ec5a0b02848 (patch) | |
| tree | ba12cb68846c5e4e04d3442528dee70e58100859 /fs/fuse/cuse.c | |
| parent | c6bda7c988a57958108741cde9b1f12e9727a938 (diff) | |
| download | linux-58f86cc89c3372d3e61d5b71e5513ec5a0b02848.tar.xz | |
VERIFY_OCTAL_PERMISSIONS: stricter checking for sysfs perms.
Summary of http://lkml.org/lkml/2014/3/14/363 :
Ted: module_param(queue_depth, int, 444)
Joe: 0444!
Rusty: User perms >= group perms >= other perms?
Joe: CLASS_ATTR, DEVICE_ATTR, SENSOR_ATTR and SENSOR_ATTR_2?
Side effect of stricter permissions means removing the unnecessary
S_IFREG from several callers.
Note that the BUILD_BUG_ON_ZERO((perm) & 2) test was removed: a fair
number of drivers fail this test, so that will be the debate for a
future patch.
Suggested-by: Joe Perches <joe@perches.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com> for drivers/pci/slot.c
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'fs/fuse/cuse.c')
| -rw-r--r-- | fs/fuse/cuse.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index b96a49b37d66..77cf5eeeabd1 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -568,7 +568,7 @@ static ssize_t cuse_class_waiting_show(struct device *dev, return sprintf(buf, "%d\n", atomic_read(&cc->fc.num_waiting)); } -static DEVICE_ATTR(waiting, S_IFREG | 0400, cuse_class_waiting_show, NULL); +static DEVICE_ATTR(waiting, 0400, cuse_class_waiting_show, NULL); static ssize_t cuse_class_abort_store(struct device *dev, struct device_attribute *attr, @@ -579,7 +579,7 @@ static ssize_t cuse_class_abort_store(struct device *dev, fuse_abort_conn(&cc->fc); return count; } -static DEVICE_ATTR(abort, S_IFREG | 0200, NULL, cuse_class_abort_store); +static DEVICE_ATTR(abort, 0200, NULL, cuse_class_abort_store); static struct attribute *cuse_class_dev_attrs[] = { &dev_attr_waiting.attr, |