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authorJiri Kosina <jkosina@suse.cz>2012-02-06 16:11:09 +0100
committerJiri Kosina <jkosina@suse.cz>2012-02-06 16:12:16 +0100
commitd4730ace0c7dbb64513e35b6fc5fd7e7f381e490 (patch)
tree18890c096cdd869a593c56de3257faa40af8e050 /drivers/media/video/ir-kbd-i2c.c
parentHID: hyperv: Properly disconnect the input device (diff)
parentMerge tag 'pm-fixes-for-3.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel... (diff)
downloadlinux-d4730ace0c7dbb64513e35b6fc5fd7e7f381e490.tar.xz
linux-d4730ace0c7dbb64513e35b6fc5fd7e7f381e490.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into upstream-fixes
Sync with Linus' tree. This is necessary to have a base for patch that fixes commit 35b4c01e29b ("power_supply: add "powers" links to self-powered HID devices") which went in through Anton's tree.
Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
-rw-r--r--drivers/media/video/ir-kbd-i2c.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index 3ab875d036e1..a7c41d32f414 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -244,7 +244,7 @@ static int get_key_avermedia_cardbus(struct IR_i2c *ir,
/* ----------------------------------------------------------------------- */
-static void ir_key_poll(struct IR_i2c *ir)
+static int ir_key_poll(struct IR_i2c *ir)
{
static u32 ir_key, ir_raw;
int rc;
@@ -253,20 +253,28 @@ static void ir_key_poll(struct IR_i2c *ir)
rc = ir->get_key(ir, &ir_key, &ir_raw);
if (rc < 0) {
dprintk(2,"error\n");
- return;
+ return rc;
}
if (rc) {
dprintk(1, "%s: keycode = 0x%04x\n", __func__, ir_key);
rc_keydown(ir->rc, ir_key, 0);
}
+ return 0;
}
static void ir_work(struct work_struct *work)
{
+ int rc;
struct IR_i2c *ir = container_of(work, struct IR_i2c, work.work);
- ir_key_poll(ir);
+ rc = ir_key_poll(ir);
+ if (rc == -ENODEV) {
+ rc_unregister_device(ir->rc);
+ ir->rc = NULL;
+ return;
+ }
+
schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling_interval));
}
@@ -446,7 +454,8 @@ static int ir_remove(struct i2c_client *client)
cancel_delayed_work_sync(&ir->work);
/* unregister device */
- rc_unregister_device(ir->rc);
+ if (ir->rc)
+ rc_unregister_device(ir->rc);
/* free memory */
kfree(ir);
@@ -489,11 +498,3 @@ static void __exit ir_fini(void)
module_init(ir_init);
module_exit(ir_fini);
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-basic-offset: 8
- * End:
- */