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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-02-08 13:18:45 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 18:22:25 +0100
commit4129a6454dd925560bf3f46a12eb9f01cf8d5e7e (patch)
tree1bbd53a877bdfda744697c09ab44ec8db0420edf /drivers/char/rocket.c
parentrocket: first pass at termios reporting (diff)
downloadlinux-4129a6454dd925560bf3f46a12eb9f01cf8d5e7e.tar.xz
linux-4129a6454dd925560bf3f46a12eb9f01cf8d5e7e.zip
rocket: don't let random users reset the controller
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--drivers/char/rocket.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index cbee71bab017..72f289279d8f 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -1399,6 +1399,9 @@ static int reset_rm2(struct r_port *info, void __user *arg)
{
int reset;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
if (copy_from_user(&reset, arg, sizeof (int)))
return -EFAULT;
if (reset)