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| author |   Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-08-31 11:35:29 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-08-31 11:57:27 -0700 |
| commit | 8a7f102c4b15940e43b712d35da357a2c05ffb84 (patch) | |
| tree | 7db498200690d14089939206112e008147e99520 /drivers/input/keyboard | |
| parent | Input: PS/2 gpio bit banging driver for serio bus (diff) | |
| download | linux-dev-8a7f102c4b15940e43b712d35da357a2c05ffb84.tar.xz linux-dev-8a7f102c4b15940e43b712d35da357a2c05ffb84.zip | |
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/keyboard')
| -rw-r--r-- | drivers/input/keyboard/tegra-kbc.c | 5 |
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); |