Patch "lockd: Update the NLMv4 UNLOCK 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 NLMv4 UNLOCK 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-nlmv4-unlock-arguments-decoder-to-u.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 e3d9ab8a9baf7a94cf6ad409af610324b0b551fe
Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
Date:   Thu Jun 3 16:52:40 2021 -0400

    lockd: Update the NLMv4 UNLOCK arguments decoder to use struct xdr_stream
    
    [ Upstream commit d76d8c25cea794f65615f3a2324052afa4b5f900 ]
    
    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/xdr4.c b/fs/lockd/xdr4.c
index 37d45f1d71999..47a87ea4a99b1 100644
--- a/fs/lockd/xdr4.c
+++ b/fs/lockd/xdr4.c
@@ -131,36 +131,6 @@ nlm4_decode_oh(__be32 *p, struct xdr_netobj *oh)
 	return xdr_decode_netobj(p, oh);
 }
 
-static __be32 *
-nlm4_decode_lock(__be32 *p, struct nlm_lock *lock)
-{
-	struct file_lock	*fl = &lock->fl;
-	__u64			len, start;
-	__s64			end;
-
-	if (!(p = xdr_decode_string_inplace(p, &lock->caller,
-					    &lock->len, NLM_MAXSTRLEN))
-	 || !(p = nlm4_decode_fh(p, &lock->fh))
-	 || !(p = nlm4_decode_oh(p, &lock->oh)))
-		return NULL;
-	lock->svid  = ntohl(*p++);
-
-	locks_init_lock(fl);
-	fl->fl_flags = FL_POSIX;
-	fl->fl_type  = F_RDLCK;		/* as good as anything else */
-	p = xdr_decode_hyper(p, &start);
-	p = xdr_decode_hyper(p, &len);
-	end = start + len - 1;
-
-	fl->fl_start = s64_to_loff_t(start);
-
-	if (len == 0 || end < 0)
-		fl->fl_end = OFFSET_MAX;
-	else
-		fl->fl_end = s64_to_loff_t(end);
-	return p;
-}
-
 static bool
 svcxdr_decode_lock(struct xdr_stream *xdr, struct nlm_lock *lock)
 {
@@ -311,25 +281,28 @@ nlm4svc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p)
 }
 
 int
-nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
+nlm4svc_decode_unlockargs(struct svc_rqst *rqstp, __be32 *p)
 {
-	struct nlm_res *resp = rqstp->rq_resp;
+	struct xdr_stream *xdr = &rqstp->rq_arg_stream;
+	struct nlm_args *argp = rqstp->rq_argp;
 
-	if (!(p = nlm4_encode_testres(p, resp)))
+	if (!svcxdr_decode_cookie(xdr, &argp->cookie))
 		return 0;
-	return xdr_ressize_check(rqstp, p);
+	if (!svcxdr_decode_lock(xdr, &argp->lock))
+		return 0;
+	argp->lock.fl.fl_type = F_UNLCK;
+
+	return 1;
 }
 
 int
-nlm4svc_decode_unlockargs(struct svc_rqst *rqstp, __be32 *p)
+nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
 {
-	struct nlm_args *argp = rqstp->rq_argp;
+	struct nlm_res *resp = rqstp->rq_resp;
 
-	if (!(p = nlm4_decode_cookie(p, &argp->cookie))
-	 || !(p = nlm4_decode_lock(p, &argp->lock)))
+	if (!(p = nlm4_encode_testres(p, resp)))
 		return 0;
-	argp->lock.fl.fl_type = F_UNLCK;
-	return xdr_argsize_check(rqstp, p);
+	return xdr_ressize_check(rqstp, p);
 }
 
 int




[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