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authorLinus Torvalds <torvalds@linux-foundation.org>2016-07-25 03:14:37 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-25 03:14:37 +0300
commit721413aff218118548b84b18cb5b49660e6e2940 (patch)
tree967b1c535645a25c19e948d0b9fdf096f93b253e /drivers/tty/vt/keyboard.c
parent25a0dc4be86fc0d8c7e81bb5f8be8427022bf15f (diff)
parent67417f9c262e2cd4b706eba3e1fd879d0bebc6d8 (diff)
downloadlinux-721413aff218118548b84b18cb5b49660e6e2940.tar.xz
Merge tag 'tty-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH: "Here is the big tty and serial driver update for 4.8-rc1. Lots of good cleanups from Jiri on a number of vt and other tty related things, and the normal driver updates. Full details are in the shortlog. All of these have been in linux-next for a while with no reported issues" * tag 'tty-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (90 commits) tty/serial: atmel: enforce tasklet init and termination sequences serial: sh-sci: Stop transfers in sci_shutdown() serial: 8250_ingenic: drop #if conditional surrounding earlycon code serial: 8250_mtk: drop !defined(MODULE) conditional serial: 8250_uniphier: drop !defined(MODULE) conditional earlycon: mark earlycon code as __used iif the caller is built-in tty/serial/8250: use mctrl_gpio helpers serial: mctrl_gpio: enable API usage only for initialized mctrl_gpios struct serial: mctrl_gpio: add modem control read routine tty/serial/8250: make UART_MCR register access consistent serial: 8250_mid: Read RX buffer on RX DMA timeout for DNV serial: 8250_dma: Export serial8250_rx_dma_flush() dmaengine: hsu: Export hsu_dma_get_status() tty: serial: 8250: add CON_CONSDEV to flags tty: serial: samsung: add byte-order aware bit functions tty: serial: samsung: fixup accessors for endian serial: sirf: make fifo functions static serial: mps2-uart: make driver explicitly non-modular serial: mvebu-uart: free the IRQ in ->shutdown() serial/bcm63xx_uart: use correct alias naming ...
Diffstat (limited to 'drivers/tty/vt/keyboard.c')
-rw-r--r--drivers/tty/vt/keyboard.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
index 1e93a37e27f0..0f8caae4267d 100644
--- a/drivers/tty/vt/keyboard.c
+++ b/drivers/tty/vt/keyboard.c
@@ -567,7 +567,7 @@ static void fn_scroll_forw(struct vc_data *vc)
static void fn_scroll_back(struct vc_data *vc)
{
- scrollback(vc, 0);
+ scrollback(vc);
}
static void fn_show_mem(struct vc_data *vc)
@@ -1733,16 +1733,10 @@ int vt_do_diacrit(unsigned int cmd, void __user *udp, int perm)
return -EINVAL;
if (ct) {
- buf = kmalloc(ct * sizeof(struct kbdiacruc),
- GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
-
- if (copy_from_user(buf, a->kbdiacruc,
- ct * sizeof(struct kbdiacruc))) {
- kfree(buf);
- return -EFAULT;
- }
+ buf = memdup_user(a->kbdiacruc,
+ ct * sizeof(struct kbdiacruc));
+ if (IS_ERR(buf))
+ return PTR_ERR(buf);
}
spin_lock_irqsave(&kbd_event_lock, flags);
if (ct)