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* [PATCH] [media] lirc: cannot read from tx-only device
@ 2017-02-02 23:14 Sean Young
  2017-02-02 23:14 ` [PATCH] [media] mce_kbd: add missing keys from UK layout Sean Young
  0 siblings, 1 reply; 2+ messages in thread
From: Sean Young @ 2017-02-02 23:14 UTC (permalink / raw)
  To: linux-media

Bail out early, otherwise we follow a null pointer.

Signed-off-by: Sean Young <sean@mess.org>
---
 drivers/media/rc/lirc_dev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index 0030ce0..a54ca53 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -647,6 +647,9 @@ ssize_t lirc_dev_fop_read(struct file *file,
 		return -ENODEV;
 	}
 
+	if (!LIRC_CAN_REC(ir->d.features))
+		return -EINVAL;
+
 	dev_dbg(ir->d.dev, LOGHEAD "read called\n", ir->d.name, ir->d.minor);
 
 	buf = kzalloc(ir->chunk_size, GFP_KERNEL);
-- 
2.9.3


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [PATCH] [media] mce_kbd: add missing keys from UK layout
  2017-02-02 23:14 [PATCH] [media] lirc: cannot read from tx-only device Sean Young
@ 2017-02-02 23:14 ` Sean Young
  0 siblings, 0 replies; 2+ messages in thread
From: Sean Young @ 2017-02-02 23:14 UTC (permalink / raw)
  To: linux-media

The UK layout of the Microsoft Remote Keyboard has two missing keys:
the hash key, and the messenger key which is sent using rc6 mce.

Signed-off-by: Sean Young <sean@mess.org>
---
 drivers/media/rc/ir-mce_kbd-decoder.c | 2 +-
 drivers/media/rc/keymaps/rc-rc6-mce.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/rc/ir-mce_kbd-decoder.c b/drivers/media/rc/ir-mce_kbd-decoder.c
index d809862..5226d51 100644
--- a/drivers/media/rc/ir-mce_kbd-decoder.c
+++ b/drivers/media/rc/ir-mce_kbd-decoder.c
@@ -71,7 +71,7 @@ static unsigned char kbd_keycodes[256] = {
 	KEY_6,		KEY_7,		KEY_8,		KEY_9,		KEY_0,
 	KEY_ENTER,	KEY_ESC,	KEY_BACKSPACE,	KEY_TAB,	KEY_SPACE,
 	KEY_MINUS,	KEY_EQUAL,	KEY_LEFTBRACE,	KEY_RIGHTBRACE,	KEY_BACKSLASH,
-	KEY_RESERVED,	KEY_SEMICOLON,	KEY_APOSTROPHE,	KEY_GRAVE,	KEY_COMMA,
+	KEY_BACKSLASH,	KEY_SEMICOLON,	KEY_APOSTROPHE,	KEY_GRAVE,	KEY_COMMA,
 	KEY_DOT,	KEY_SLASH,	KEY_CAPSLOCK,	KEY_F1,		KEY_F2,
 	KEY_F3,		KEY_F4,		KEY_F5,		KEY_F6,		KEY_F7,
 	KEY_F8,		KEY_F9,		KEY_F10,	KEY_F11,	KEY_F12,
diff --git a/drivers/media/rc/keymaps/rc-rc6-mce.c b/drivers/media/rc/keymaps/rc-rc6-mce.c
index ef4006f..5be5675 100644
--- a/drivers/media/rc/keymaps/rc-rc6-mce.c
+++ b/drivers/media/rc/keymaps/rc-rc6-mce.c
@@ -86,6 +86,7 @@ static struct rc_map_table rc6_mce[] = {
 	{ 0x800f045e, KEY_BLUE },
 
 	{ 0x800f0465, KEY_POWER2 },	/* TV Power */
+	{ 0x800f0469, KEY_MESSENGER },
 	{ 0x800f046e, KEY_PLAYPAUSE },
 	{ 0x800f046f, KEY_PLAYER },	/* Start media application (NEW) */
 
-- 
2.9.3


^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2017-02-02 23:14 UTC | newest]

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2017-02-02 23:14 [PATCH] [media] lirc: cannot read from tx-only device Sean Young
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