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| author | Thomas Gleixner <tglx@linutronix.de> | 2014-07-16 21:57:38 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2014-07-16 21:57:38 +0200 |
| commit | afdb094380889222583df9ef803587f6b8a82c8d (patch) | |
| tree | 4a03c516568e5c8b994a5739f3d34f4552c78898 /drivers/input/evdev.c | |
| parent | be11e6d86081aa6328eaa4fe6dd14ccf39a023c8 (diff) | |
| parent | 1795cd9b3a91d4b5473c97f491d63892442212ab (diff) | |
Merge tag 'v3.16-rc5' into timers/core
Reason: Bring in upstream modifications, so the pending changes which
depend on them can be queued.
Diffstat (limited to 'drivers/input/evdev.c')
| -rw-r--r-- | drivers/input/evdev.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index ce953d895f5b..fd325ec9f064 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -629,12 +629,10 @@ static int str_to_user(const char *str, unsigned int maxlen, void __user *p) return copy_to_user(p, str, len) ? -EFAULT : len; } -#define OLD_KEY_MAX 0x1ff static int handle_eviocgbit(struct input_dev *dev, unsigned int type, unsigned int size, void __user *p, int compat_mode) { - static unsigned long keymax_warn_time; unsigned long *bits; int len; @@ -652,24 +650,8 @@ static int handle_eviocgbit(struct input_dev *dev, default: return -EINVAL; } - /* - * Work around bugs in userspace programs that like to do - * EVIOCGBIT(EV_KEY, KEY_MAX) and not realize that 'len' - * should be in bytes, not in bits. - */ - if (type == EV_KEY && size == OLD_KEY_MAX) { - len = OLD_KEY_MAX; - if (printk_timed_ratelimit(&keymax_warn_time, 10 * 1000)) - pr_warning("(EVIOCGBIT): Suspicious buffer size %u, " - "limiting output to %zu bytes. See " - "http://userweb.kernel.org/~dtor/eviocgbit-bug.html\n", - OLD_KEY_MAX, - BITS_TO_LONGS(OLD_KEY_MAX) * sizeof(long)); - } - return bits_to_user(bits, len, size, p, compat_mode); } -#undef OLD_KEY_MAX static int evdev_handle_get_keycode(struct input_dev *dev, void __user *p) { |