diff options
Diffstat (limited to 'drivers/block/hd.c')
| -rw-r--r-- | drivers/block/hd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/hd.c b/drivers/block/hd.c index 558a1b2d2..52bb33ede 100644 --- a/drivers/block/hd.c +++ b/drivers/block/hd.c @@ -603,7 +603,7 @@ static int hd_ioctl(struct inode * inode, struct file * file, return copy_to_user(loc, &g, sizeof g) ? -EFAULT : 0; } case BLKRASET: - if(!suser()) return -EACCES; + if(!capable(CAP_SYS_ADMIN)) return -EACCES; if(arg > 0xff) return -EINVAL; read_ahead[MAJOR(inode->i_rdev)] = arg; return 0; @@ -616,12 +616,14 @@ static int hd_ioctl(struct inode * inode, struct file * file, return put_user(hd[MINOR(inode->i_rdev)].nr_sects, (long *) arg); case BLKFLSBUF: - if(!suser()) return -EACCES; + if(!capable(CAP_SYS_ADMIN)) return -EACCES; fsync_dev(inode->i_rdev); invalidate_buffers(inode->i_rdev); return 0; case BLKRRPART: /* Re-read partition tables */ + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; return revalidate_hddisk(inode->i_rdev, 1); RO_IOCTLS(inode->i_rdev,arg); |