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| author | Julia Lawall <julia@diku.dk> | 2009-08-30 11:30:48 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-08-30 11:55:47 -0700 |
| commit | 903b9124eae00edf8a9d6491dab60fcda777aabd (patch) | |
| tree | f7c3b509d24ff30457ee75bd40a5ed58ebfeb771 /drivers/input/keyboard/w90p910_keypad.c | |
| parent | 9d8340687c524ce61e3c9c76758c4c81303acfc0 (diff) | |
| download | lwn-903b9124eae00edf8a9d6491dab60fcda777aabd.tar.gz lwn-903b9124eae00edf8a9d6491dab60fcda777aabd.zip | |
Input: w90p910_keypad - move a dereference below a NULL test
We should first check whether platform data is NULL or not, before
dereferencing it to get the keymap.
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/keyboard/w90p910_keypad.c')
| -rw-r--r-- | drivers/input/keyboard/w90p910_keypad.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/input/keyboard/w90p910_keypad.c b/drivers/input/keyboard/w90p910_keypad.c index 2d03dd0f9e07..6032def03707 100644 --- a/drivers/input/keyboard/w90p910_keypad.c +++ b/drivers/input/keyboard/w90p910_keypad.c @@ -120,7 +120,7 @@ static int __devinit w90p910_keypad_probe(struct platform_device *pdev) { const struct w90p910_keypad_platform_data *pdata = pdev->dev.platform_data; - const struct matrix_keymap_data *keymap_data = pdata->keymap_data; + const struct matrix_keymap_data *keymap_data; struct w90p910_keypad *keypad; struct input_dev *input_dev; struct resource *res; @@ -132,6 +132,8 @@ static int __devinit w90p910_keypad_probe(struct platform_device *pdev) return -EINVAL; } + keymap_data = pdata->keymap_data; + irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "failed to get keypad irq\n"); |