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| author | Chen Ni <nichen@iscas.ac.cn> | 2024-04-26 15:58:08 +0800 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2024-05-04 12:50:43 +0200 |
| commit | 413bf4e857fd79617524d5dcd35f463e9aa2dd41 (patch) | |
| tree | c2f289ba10e4ab46b874d4b26b165ebbbe0f228a /drivers/watchdog | |
| parent | cae58516534e110f4a8558d48aa4435e15519121 (diff) | |
| download | linux-stable-413bf4e857fd79617524d5dcd35f463e9aa2dd41.tar.gz linux-stable-413bf4e857fd79617524d5dcd35f463e9aa2dd41.tar.bz2 linux-stable-413bf4e857fd79617524d5dcd35f463e9aa2dd41.zip | |
watchdog: sa1100: Fix PTR_ERR_OR_ZERO() vs NULL check in sa1100dog_probe()
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>
Link: https://lore.kernel.org/r/20240426075808.1582678-1-nichen@iscas.ac.cn
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/sa1100_wdt.c | 5 |
1 files 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)) { |