Patch "lockd: Update the NLMv1 SM_NOTIFY arguments decoder to use struct xdr_stream" has been added to the 5.10-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is a note to let you know that I've just added the patch titled

    lockd: Update the NLMv1 SM_NOTIFY arguments decoder to use struct xdr_stream

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     lockd-update-the-nlmv1-sm_notify-arguments-decoder-t.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit b9760077e058bba40bdcc0cc372f8a9d8d3f9c5d
Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
Date:   Thu Jun 3 16:51:34 2021 -0400

    lockd: Update the NLMv1 SM_NOTIFY arguments decoder to use struct xdr_stream
    
    [ Upstream commit 137e05e2f735f696e117553f7fa5ef8fb09953e1 ]
    
    Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
    Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
    Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index 911b6377a6da4..421613170e5f9 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -313,6 +313,32 @@ nlmsvc_decode_res(struct svc_rqst *rqstp, __be32 *p)
 	return 1;
 }
 
+int
+nlmsvc_decode_reboot(struct svc_rqst *rqstp, __be32 *p)
+{
+	struct xdr_stream *xdr = &rqstp->rq_arg_stream;
+	struct nlm_reboot *argp = rqstp->rq_argp;
+	u32 len;
+
+	if (xdr_stream_decode_u32(xdr, &len) < 0)
+		return 0;
+	if (len > SM_MAXSTRLEN)
+		return 0;
+	p = xdr_inline_decode(xdr, len);
+	if (!p)
+		return 0;
+	argp->len = len;
+	argp->mon = (char *)p;
+	if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
+		return 0;
+	p = xdr_inline_decode(xdr, SM_PRIV_SIZE);
+	if (!p)
+		return 0;
+	memcpy(&argp->priv.data, p, sizeof(argp->priv.data));
+
+	return 1;
+}
+
 int
 nlmsvc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
 {
@@ -380,19 +406,6 @@ nlmsvc_decode_notify(struct svc_rqst *rqstp, __be32 *p)
 	return xdr_argsize_check(rqstp, p);
 }
 
-int
-nlmsvc_decode_reboot(struct svc_rqst *rqstp, __be32 *p)
-{
-	struct nlm_reboot *argp = rqstp->rq_argp;
-
-	if (!(p = xdr_decode_string_inplace(p, &argp->mon, &argp->len, SM_MAXSTRLEN)))
-		return 0;
-	argp->state = ntohl(*p++);
-	memcpy(&argp->priv.data, p, sizeof(argp->priv.data));
-	p += XDR_QUADLEN(SM_PRIV_SIZE);
-	return xdr_argsize_check(rqstp, p);
-}
-
 int
 nlmsvc_encode_void(struct svc_rqst *rqstp, __be32 *p)
 {




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux