Messages in this thread Patch in this message | | | Date | Thu, 25 Oct 2007 16:06:40 -0700 | From | Mike Waychison <> | Subject | [patch 1/1] Drop CAP_SYS_RAWIO requirement for FIBMAP |
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Remove the need for having CAP_SYS_RAWIO when doing a FIBMAP call on an open file descriptor.
It would be nice to allow users to have permission to see where their data is landing on disk, and there really isn't a good reason to keep them from getting at this information.
Signed-off-by: Mike Waychison <mikew@google.com> fs/ioctl.c | 2 -- 1 file changed, 2 deletions(-)
Index: linux-2.6.23/fs/ioctl.c =================================================================== --- linux-2.6.23.orig/fs/ioctl.c 2007-10-09 13:31:38.000000000 -0700 +++ linux-2.6.23/fs/ioctl.c 2007-10-25 15:48:24.000000000 -0700 @@ -56,8 +56,6 @@ static int file_ioctl(struct file *filp, /* do we support this mess? */ if (!mapping->a_ops->bmap) return -EINVAL; - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; if ((error = get_user(block, p)) != 0) return error; --
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