Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-28 13:51:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

remoteproc: st: fix check of syscon_regmap_lookup_by_phandle() return value

Browse Source 
syscon_regmap_lookup_by_phandle() returns either a valid pointer to
struct regmap or ERR_PTR() error value, check for NULL is invalid and
on error path may lead to oops, the change corrects the check.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Vladimir Zapolskiy 2016-03-19 15:31:10 +02:00 committed by Bjorn Andersson
parent f55532a0c0
commit 4b28038fd6
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/remoteproc/st_remoteproc.c
View File

@ -189,9 +189,9 @@ static int st_rproc_parse_dt(struct platform_device *pdev)
}
ddata->boot_base = syscon_regmap_lookup_by_phandle(np, "st,syscfg");
if (!ddata->boot_base) {
if (IS_ERR(ddata->boot_base)) {
dev_err(dev, "Boot base not found\n");
return -EINVAL;
return PTR_ERR(ddata->boot_base);
}
err = of_property_read_u32_index(np, "st,syscfg", 1,