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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-05-30 09:44:28 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-06-02 17:57:26 -0700
commit086cebfa72fa22e1e49f251d33fe1ceaab4af2d4 (patch)
tree023f868ca21563594a2c5025c5edc66d390944f6 /drivers/input
parent58be76896786b512e97cb743ec271648623a7107 (diff)
Input: s3c2410_ts - handle return value of clk_prepare_enable
clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/touchscreen/s3c2410_ts.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
index 41d58e88cc8a..3b3db8c868e0 100644
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ b/drivers/input/touchscreen/s3c2410_ts.c
@@ -264,7 +264,11 @@ static int s3c2410ts_probe(struct platform_device *pdev)
return -ENOENT;
}
- clk_prepare_enable(ts.clock);
+ ret = clk_prepare_enable(ts.clock);
+ if (ret) {
+ dev_err(dev, "Failed! to enabled clocks\n");
+ goto err_clk_get;
+ }
dev_dbg(dev, "got and enabled clocks\n");
ts.irq_tc = ret = platform_get_irq(pdev, 0);
@@ -353,7 +357,9 @@ static int s3c2410ts_probe(struct platform_device *pdev)
err_iomap:
iounmap(ts.io);
err_clk:
+ clk_disable_unprepare(ts.clock);
del_timer_sync(&touch_timer);
+ err_clk_get:
clk_put(ts.clock);
return ret;
}