[PATCH 1/9] twl4030: fix potential null pointer dereference

Felipe Balbi
2008-09-26T11:20:39Z

The following patch fix a potential null pointer
dereference in twl4030 keypad driver when parts
of keypad platform_data aren't passed down to the
driver. At that point kp->dbg_dev is not set yet.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
---
drivers/input/keyboard/omap-twl4030keypad.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/input/keyboard/omap-twl4030keypad.c b/drivers/input/keyboard/omap-twl4030keypad.c
index 3893d63..48f29d3 100644
--- a/drivers/input/keyboard/omap-twl4030keypad.c
+++ b/drivers/input/keyboard/omap-twl4030keypad.c
@@ -238,7 +238,7 @@ static int __init omap_kp_probe(struct platform_device *pdev)
return -ENOMEM;

if (!pdata->rows || !pdata->cols || !pdata->keymap) {
- dev_err(kp->dbg_dev, "No rows, cols or keymap from pdata\n");
+ dev_err(&pdev->dev, "No rows, cols or keymap from pdata\n");
kfree(kp);
return -EINVAL;
}
--
1.6.0.2.307.gc427