From: YueHaibing <yuehaibing@huawei.com>
To: <balbi@kernel.org>, <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
YueHaibing <yuehaibing@huawei.com>
Subject: [PATCH -next] USB: gadget: f_fs: Use ERR_CAST instead of ERR_PTR(PTR_ERR(...))
Date: Wed, 19 May 2021 10:30:32 +0800 [thread overview]
Message-ID: <20210519023032.19812-1-yuehaibing@huawei.com> (raw)
A coccicheck run provided information like the following.
./drivers/usb/gadget/function/f_fs.c:3832:9-16:
WARNING: ERR_CAST can be used with data
Use ERR_CAST to fix this.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
drivers/usb/gadget/function/f_fs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index bf109191659a..61110ff52f49 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -3829,7 +3829,7 @@ static char *ffs_prepare_buffer(const char __user *buf, size_t len)
data = memdup_user(buf, len);
if (IS_ERR(data))
- return ERR_PTR(PTR_ERR(data));
+ return ERR_CAST(data);
pr_vdebug("Buffer from user space:\n");
ffs_dump_mem("", data, len);
--
2.17.1
next reply other threads:[~2021-05-19 2:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-19 2:30 YueHaibing [this message]
2021-05-21 11:48 ` [PATCH -next] USB: gadget: f_fs: Use ERR_CAST instead of ERR_PTR(PTR_ERR(...)) Greg KH
2021-05-23 6:33 ` YueHaibing
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