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: 4b47a8601b71 ("NFSD: Define a proc_layoutcommit for the FlexFiles layout type") Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfsd/blocklayoutxdr.c | 40 +++++++--------------------------------- 1 file changed, 7 insertions(+), 33 deletions(-)
diff --git a/fs/nfsd/blocklayoutxdr.c b/fs/nfsd/blocklayoutxdr.c index 669ff8e6e966e..bcf21fde91207 100644 --- a/fs/nfsd/blocklayoutxdr.c +++ b/fs/nfsd/blocklayoutxdr.c @@ -139,28 +139,19 @@ nfsd4_block_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp, 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, u32 len, struct iomap **iomapp,
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, u32 len, struct iomap **iomapp, 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;