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nfsd: Propagate some error code returned by memdup_user()

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Propagate the error code returned by memdup_user() instead of a hard coded
-EFAULT.

Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Christophe JAILLET 2022-09-01 07:27:19 +02:00 committed by Chuck Lever
parent d44899b8bb
commit 30a30fcc3f
1 changed files with 3 additions and 3 deletions
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6
fs/nfsd/nfs4recover.c
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@ -808,7 +808,7 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg,
return -EFAULT;
name.data = memdup_user(&ci->cc_name.cn_id, namelen);
if (IS_ERR(name.data))
return -EFAULT;
return PTR_ERR(name.data);
name.len = namelen;
get_user(princhashlen, &ci->cc_princhash.cp_len);
if (princhashlen > 0) {
@ -817,7 +817,7 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg,
princhashlen);
if (IS_ERR(princhash.data)) {
kfree(name.data);
return -EFAULT;
return PTR_ERR(princhash.data);
}
princhash.len = princhashlen;
} else
@ -830,7 +830,7 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg,
return -EFAULT;
name.data = memdup_user(&cnm->cn_id, namelen);
if (IS_ERR(name.data))
return -EFAULT;
return PTR_ERR(name.data);
name.len = namelen;
}
if (name.len > 5 && memcmp(name.data, "hash:", 5) == 0) {