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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-18 02:06:06 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-19 12:57:46 -0300 |
| commit | 42880cd438d6e74b6005648a7dc06867d4b30b44 (patch) | |
| tree | 0ab3a733d456a83574b7d554b03841606d342e10 /drivers/media/IR/ir-keytable.c | |
| parent | d46844300ccd99444d32e481751b6508c8c7834e (diff) | |
| download | lwn-42880cd438d6e74b6005648a7dc06867d4b30b44.tar.gz lwn-42880cd438d6e74b6005648a7dc06867d4b30b44.zip | |
V4L/DVB: ir-core: fix table resize during keymap init
drivers/media/IR/ir-keytable.c would alloc a suitably sized keymap table
only to have it resized as it is populated with the initial keymap.
Signed-off-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/IR/ir-keytable.c')
| -rw-r--r-- | drivers/media/IR/ir-keytable.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c index 1bb4e32f3dc3..ebe24579bf32 100644 --- a/drivers/media/IR/ir-keytable.c +++ b/drivers/media/IR/ir-keytable.c @@ -78,6 +78,7 @@ static int ir_resize_table(struct ir_scancode_table *rc_tab) * @rc_tab: the struct ir_scancode_table to set the keycode in * @scancode: the scancode for the ir command * @keycode: the keycode for the ir command + * @resize: whether the keytable may be shrunk * @return: -EINVAL if the keycode could not be inserted, otherwise zero. * * This routine is used internally to manipulate the scancode->keycode table. @@ -85,7 +86,8 @@ static int ir_resize_table(struct ir_scancode_table *rc_tab) */ static int ir_do_setkeycode(struct input_dev *dev, struct ir_scancode_table *rc_tab, - unsigned scancode, unsigned keycode) + unsigned scancode, unsigned keycode, + bool resize) { unsigned int i; int old_keycode = KEY_RESERVED; @@ -129,7 +131,7 @@ static int ir_do_setkeycode(struct input_dev *dev, if (old_keycode == KEY_RESERVED && keycode != KEY_RESERVED) { /* No previous mapping found, we might need to grow the table */ - if (ir_resize_table(rc_tab)) + if (resize && ir_resize_table(rc_tab)) return -ENOMEM; IR_dprintk(1, "#%d: New scan 0x%04x with key 0x%04x\n", @@ -177,7 +179,7 @@ static int ir_setkeycode(struct input_dev *dev, struct ir_scancode_table *rc_tab = &ir_dev->rc_tab; spin_lock_irqsave(&rc_tab->lock, flags); - rc = ir_do_setkeycode(dev, rc_tab, scancode, keycode); + rc = ir_do_setkeycode(dev, rc_tab, scancode, keycode, true); spin_unlock_irqrestore(&rc_tab->lock, flags); return rc; } @@ -204,7 +206,7 @@ static int ir_setkeytable(struct input_dev *dev, spin_lock_irqsave(&rc_tab->lock, flags); for (i = 0; i < from->size; i++) { rc = ir_do_setkeycode(dev, to, from->scan[i].scancode, - from->scan[i].keycode); + from->scan[i].keycode, false); if (rc) break; } |