| Message ID | 20240426075808.1582678-1-nichen@iscas.ac.cn (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | watchdog: sa1100: Fix PTR_ERR_OR_ZERO() vs NULL check in sa1100dog_probe() | expand |
On 4/26/24 00:58, Chen Ni wrote: > devm_ioremap() doesn't return error pointers, it returns NULL on error. > Update the check accordingly. > > Fixes: e86bd43bcfc5 ("watchdog: sa1100: use platform device registration") > Signed-off-by: Chen Ni <nichen@iscas.ac.cn> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > drivers/watchdog/sa1100_wdt.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c > index 5d2df008b92a..34a917221e31 100644 > --- a/drivers/watchdog/sa1100_wdt.c > +++ b/drivers/watchdog/sa1100_wdt.c > @@ -191,9 +191,8 @@ static int sa1100dog_probe(struct platform_device *pdev) > if (!res) > return -ENXIO; > reg_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); > - ret = PTR_ERR_OR_ZERO(reg_base); > - if (ret) > - return ret; > + if (!reg_base) > + return -ENOMEM; > > clk = clk_get(NULL, "OSTIMER0"); > if (IS_ERR(clk)) {
diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c index 5d2df008b92a..34a917221e31 100644 --- a/drivers/watchdog/sa1100_wdt.c +++ b/drivers/watchdog/sa1100_wdt.c @@ -191,9 +191,8 @@ static int sa1100dog_probe(struct platform_device *pdev) if (!res) return -ENXIO; reg_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - ret = PTR_ERR_OR_ZERO(reg_base); - if (ret) - return ret; + if (!reg_base) + return -ENOMEM; clk = clk_get(NULL, "OSTIMER0"); if (IS_ERR(clk)) {
devm_ioremap() doesn't return error pointers, it returns NULL on error. Update the check accordingly. Fixes: e86bd43bcfc5 ("watchdog: sa1100: use platform device registration") Signed-off-by: Chen Ni <nichen@iscas.ac.cn> --- drivers/watchdog/sa1100_wdt.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)