releases/6.12.55/nfsd-drop-dprintk-in-blocklayout-xdr-functions.patch

From stable+bounces-188066-greg=kroah.com@vger.kernel.org Mon Oct 20 14:53:20 2025
From: Sasha Levin <sashal@kernel.org>
Date: Mon, 20 Oct 2025 08:53:00 -0400
Subject: nfsd: Drop dprintk in blocklayout xdr functions
To: stable@vger.kernel.org
Cc: Sergey Bashirov <sergeybashirov@gmail.com>, Jeff Layton <jlayton@kernel.org>, Christoph Hellwig <hch@lst.de>, Chuck Lever <chuck.lever@oracle.com>, Sasha Levin <sashal@kernel.org>
Message-ID: <20251020125305.1760219-2-sashal@kernel.org>

From: Sergey Bashirov <sergeybashirov@gmail.com>

[ Upstream commit e339967eecf1305557f7c697e1bc10b5cc495454 ]

Minor clean up. Instead of dprintk there are appropriate error codes.

Signed-off-by: Sergey Bashirov <sergeybashirov@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Stable-dep-of: d68886bae76a ("NFSD: Fix last write offset handling in layoutcommit")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/nfsd/blocklayoutxdr.c |   40 +++++++---------------------------------
 1 file changed, 7 insertions(+), 33 deletions(-)

--- a/fs/nfsd/blocklayoutxdr.c
+++ b/fs/nfsd/blocklayoutxdr.c
@@ -139,28 +139,19 @@ nfsd4_block_decode_layoutupdate(__be32 *
 	struct iomap *iomaps;
 	u32 nr_iomaps, i;
 
-	if (len < sizeof(u32)) {
-		dprintk("%s: extent array too small: %u\n", __func__, len);
+	if (len < sizeof(u32))
 		return nfserr_bad_xdr;
-	}
 	len -= sizeof(u32);
-	if (len % PNFS_BLOCK_EXTENT_SIZE) {
-		dprintk("%s: extent array invalid: %u\n", __func__, len);
+	if (len % PNFS_BLOCK_EXTENT_SIZE)
 		return nfserr_bad_xdr;
-	}
 
 	nr_iomaps = be32_to_cpup(p++);
-	if (nr_iomaps != len / PNFS_BLOCK_EXTENT_SIZE) {
-		dprintk("%s: extent array size mismatch: %u/%u\n",
-			__func__, len, nr_iomaps);
+	if (nr_iomaps != len / PNFS_BLOCK_EXTENT_SIZE)
 		return nfserr_bad_xdr;
-	}
 
 	iomaps = kcalloc(nr_iomaps, sizeof(*iomaps), GFP_KERNEL);
-	if (!iomaps) {
-		dprintk("%s: failed to allocate extent array\n", __func__);
+	if (!iomaps)
 		return nfserr_delay;
-	}
 
 	for (i = 0; i < nr_iomaps; i++) {
 		struct pnfs_block_extent bex;
@@ -170,26 +161,18 @@ nfsd4_block_decode_layoutupdate(__be32 *
 
 		p = xdr_decode_hyper(p, &bex.foff);
 		if (bex.foff & (block_size - 1)) {
-			dprintk("%s: unaligned offset 0x%llx\n",
-				__func__, bex.foff);
 			goto fail;
 		}
 		p = xdr_decode_hyper(p, &bex.len);
 		if (bex.len & (block_size - 1)) {
-			dprintk("%s: unaligned length 0x%llx\n",
-				__func__, bex.foff);
 			goto fail;
 		}
 		p = xdr_decode_hyper(p, &bex.soff);
 		if (bex.soff & (block_size - 1)) {
-			dprintk("%s: unaligned disk offset 0x%llx\n",
-				__func__, bex.soff);
 			goto fail;
 		}
 		bex.es = be32_to_cpup(p++);
 		if (bex.es != PNFS_BLOCK_READWRITE_DATA) {
-			dprintk("%s: incorrect extent state %d\n",
-				__func__, bex.es);
 			goto fail;
 		}
 
@@ -231,38 +214,29 @@ nfsd4_scsi_decode_layoutupdate(__be32 *p
 	struct iomap *iomaps;
 	u32 nr_iomaps, expected, i;
 
-	if (len < sizeof(u32)) {
-		dprintk("%s: extent array too small: %u\n", __func__, len);
+	if (len < sizeof(u32))
 		return nfserr_bad_xdr;
-	}
 
 	nr_iomaps = be32_to_cpup(p++);
 	expected = sizeof(__be32) + nr_iomaps * PNFS_SCSI_RANGE_SIZE;
-	if (len != expected) {
-		dprintk("%s: extent array size mismatch: %u/%u\n",
-			__func__, len, expected);
+	if (len != expected)
 		return nfserr_bad_xdr;
-	}
 
 	iomaps = kcalloc(nr_iomaps, sizeof(*iomaps), GFP_KERNEL);
-	if (!iomaps) {
-		dprintk("%s: failed to allocate extent array\n", __func__);
+	if (!iomaps)
 		return nfserr_delay;
-	}
 
 	for (i = 0; i < nr_iomaps; i++) {
 		u64 val;
 
 		p = xdr_decode_hyper(p, &val);
 		if (val & (block_size - 1)) {
-			dprintk("%s: unaligned offset 0x%llx\n", __func__, val);
 			goto fail;
 		}
 		iomaps[i].offset = val;
 
 		p = xdr_decode_hyper(p, &val);
 		if (val & (block_size - 1)) {
-			dprintk("%s: unaligned length 0x%llx\n", __func__, val);
 			goto fail;
 		}
 		iomaps[i].length = val;