lkml.org 
[lkml]   [2021]   [Mar]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] scsi: ufs: fix error return code of ufshcd_populate_vreg()
Date
When np is NULL or of_parse_phandle() returns NULL, no error return code
of ufshcd_populate_vreg() is assigned.
To fix this bug, ret is assigned with -EINVAL or -ENOENT as error return
code.

Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
---
drivers/scsi/ufs/ufshcd-pltfrm.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 1a69949a4ea1..9f11c416a919 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -113,6 +113,7 @@ static int ufshcd_populate_vreg(struct device *dev, const char *name,

if (!np) {
dev_err(dev, "%s: non DT initialization\n", __func__);
+ ret = -EINVAL;
goto out;
}

@@ -120,6 +121,7 @@ static int ufshcd_populate_vreg(struct device *dev, const char *name,
if (!of_parse_phandle(np, prop_name, 0)) {
dev_info(dev, "%s: Unable to find %s regulator, assuming enabled\n",
__func__, prop_name);
+ ret = -ENOENT;
goto out;
}

--
2.17.1
\
 
 \ /
  Last update: 2021-03-05 09:49    [W:0.031 / U:0.232 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site