[patch 1/1] Drop CAP_SYS_RAWIO requirement for FIBMAP

Mike Waychison
2007-10-25T23:14:26Z

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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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