aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/input
diff options
context:
space:
mode:
authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-08-31 11:35:29 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-08-31 11:57:27 -0700
commit8a7f102c4b15940e43b712d35da357a2c05ffb84 (patch)
tree7db498200690d14089939206112e008147e99520 /drivers/input
parent9ee0a0558819e63d189426c953668fe1ce7cb637 (diff)
Input: tegra-kbc - 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/keyboard/tegra-kbc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index 0c07e1023a46..edc1385ca00b 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -370,8 +370,11 @@ static int tegra_kbc_start(struct tegra_kbc *kbc)
{
unsigned int debounce_cnt;
u32 val = 0;
+ int ret;
- clk_prepare_enable(kbc->clk);
+ ret = clk_prepare_enable(kbc->clk);
+ if (ret)
+ return ret;
/* Reset the KBC controller to clear all previous status.*/
reset_control_assert(kbc->rst);

Privacy Policy