diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-31 10:38:08 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-09-16 08:32:10 +0200 |
| commit | ed6e965824303255cacc1c1a195d3684caa26bce (patch) | |
| tree | 26e2b1b78498675ceae4dd2e990836c26ec1d5ec /drivers/pwm | |
| parent | 5bdc82c54a3306f2ae151a00f2df54f9240395b8 (diff) | |
| download | barebox-ed6e965824303255cacc1c1a195d3684caa26bce.tar.gz barebox-ed6e965824303255cacc1c1a195d3684caa26bce.tar.xz | |
resource: Let dev_request_mem_region return an error pointer
For all users fix or add the error check.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-imx.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index e29341f8ec..fbfc3af0cd 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -14,6 +14,7 @@ #include <io.h> #include <pwm.h> #include <linux/clk.h> +#include <linux/err.h> #include <asm-generic/div64.h> /* i.MX1 and i.MX21 share the same PWM function block: */ @@ -237,8 +238,8 @@ static int imx_pwm_probe(struct device_d *dev) } imx->mmio_base = dev_request_mem_region(dev, 0); - if (!imx->mmio_base) - return -EBUSY; + if (IS_ERR(imx->mmio_base)) + return PTR_ERR(imx->mmio_base); imx->config = data->config; imx->set_enable = data->set_enable; |