Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-17 02:36:21 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

watchdog: sa1100: Fix PTR_ERR_OR_ZERO() vs NULL check in sa1100dog_probe()

Browse Source 
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>
This commit is contained in:
Chen Ni 2024-04-26 15:58:08 +08:00 committed by Wim Van Sebroeck
parent cae5851653
commit 413bf4e857
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/watchdog/sa1100_wdt.c
View File

@ -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)) {