Input: tty/vt/keyboard - use memdup_user()
authorMuhammad Falak R Wani <falakreyaz@gmail.com>
Thu, 21 Jul 2016 00:53:18 +0000 (17:53 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Thu, 21 Jul 2016 00:57:30 +0000 (17:57 -0700)
commit0097ff3d5dad1f76c5e1099d849d52509500708c
tree8b0e6655a0bd9b907a8785d683b1f556af8907b3
parentc1d7b7c1817aceaa93e5f255fc0ea23f327bcd40
Input: tty/vt/keyboard - use memdup_user()

Use memdup_user to duplicate a memory region from user-space to
kernel-space, instead of open coding using kmalloc & copy_from_user.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/tty/vt/keyboard.c