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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-09-29 18:36:00 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-10-13 07:49:24 -0700
commita9cc0202227caa4adb5e823d5fbce7790364941f (patch)
tree4a47075935391b4510597cae52e10c4d9de46444 /drivers/input
parent6792cbbb254712a8c0fa8a4c97c8d521c7c41c28 (diff)
downloadop-kernel-dev-a9cc0202227caa4adb5e823d5fbce7790364941f.zip
op-kernel-dev-a9cc0202227caa4adb5e823d5fbce7790364941f.tar.gz
Input: twl4030_keypad - fix error handling path
We should not try to call free_irq() when request_irq() failed. Reported-by: G, Manjunath Kondaiah <manjugk@ti.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/keyboard/twl4030_keypad.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index fb16b5e..09bef79 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -406,23 +406,22 @@ static int __devinit twl4030_kp_probe(struct platform_device *pdev)
if (error) {
dev_info(kp->dbg_dev, "request_irq failed for irq no=%d\n",
kp->irq);
- goto err3;
+ goto err2;
}
/* Enable KP and TO interrupts now. */
reg = (u8) ~(KEYP_IMR1_KP | KEYP_IMR1_TO);
if (twl4030_kpwrite_u8(kp, reg, KEYP_IMR1)) {
error = -EIO;
- goto err4;
+ goto err3;
}
platform_set_drvdata(pdev, kp);
return 0;
-err4:
+err3:
/* mask all events - we don't care about the result */
(void) twl4030_kpwrite_u8(kp, 0xff, KEYP_IMR1);
-err3:
free_irq(kp->irq, NULL);
err2:
input_unregister_device(input);
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