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pwm: imx: Signedness bug in imx_pwm_get_state()

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"ret" only holds zero and negative error codes.  It needs to be signed
for the error handling to work.

Fixes: 9f4c8f9607 ("pwm: imx: Add ipg clock operation")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Dan Carpenter 2019-01-09 11:27:47 +03:00 committed by Thierry Reding
parent d80f820690
commit 7ca17b2071
1 changed files with 2 additions and 1 deletions
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3
drivers/pwm/pwm-imx27.c
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@ -115,8 +115,9 @@ static void pwm_imx27_get_state(struct pwm_chip *chip,
struct pwm_device *pwm, struct pwm_state *state)
{
struct pwm_imx27_chip *imx = to_pwm_imx27_chip(chip);
u32 period, prescaler, pwm_clk, ret, val;
u32 period, prescaler, pwm_clk, val;
u64 tmp;
int ret;
ret = pwm_imx27_clk_prepare_enable(chip);
if (ret < 0)