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authorAndy Lutomirski <luto@kernel.org>2016-03-23 00:25:24 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-23 01:36:02 +0300
commit7365abbade07f9181cbd013669642f129e9ec635 (patch)
treebb0649b06ba54f11ab41f2c03f63465bed771e8d /drivers/hid
parentf4056b52845283d1c1eaf546d7d05d74923029b2 (diff)
downloadlinux-7365abbade07f9181cbd013669642f129e9ec635.tar.xz
drivers/hid/uhid.c: check write() bitness using in_compat_syscall
uhid changes the format expected in write() depending on bitness. It should check the syscall bitness directly. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: David Herrmann <dh.herrmann@googlemail.com> Acked-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/uhid.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index e094c572b86e..16b6f11a0700 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -384,7 +384,7 @@ struct uhid_create_req_compat {
static int uhid_event_from_user(const char __user *buffer, size_t len,
struct uhid_event *event)
{
- if (is_compat_task()) {
+ if (in_compat_syscall()) {
u32 type;
if (get_user(type, buffer))