From: Tian Tao <tiantao6@hisilicon.com>
Date: Tue, 13 Apr 2021 10:52:55 +0000 (+0000)
Subject: lightnvm: return the correct return value
X-Git-Tag: v5.13-rc1~116^2~37
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1c6b0bc73fac9306462bd4794d00520690e97ef8;p=thirdparty%2Fkernel%2Flinux.git

lightnvm: return the correct return value

When memdup_user returns an error, memdup_user has two different return
values, use PTR_ERR to get the correct return value.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Matias Bjørling <matias.bjorling@wdc.com>
Link: https://lore.kernel.org/r/20210413105257.159260-3-matias.bjorling@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 28ddcaa5358b1..42774beeba94d 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -1257,7 +1257,7 @@ static long nvm_ioctl_info(struct file *file, void __user *arg)
 
 	info = memdup_user(arg, sizeof(struct nvm_ioctl_info));
 	if (IS_ERR(info))
-		return -EFAULT;
+		return PTR_ERR(info);
 
 	info->version[0] = NVM_VERSION_MAJOR;
 	info->version[1] = NVM_VERSION_MINOR;