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OpenCloudOS-Kernel
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pnfs: do not pass uninitialized lsegs to ->free_lseg 

Ensure the lsegs are initialized early so that we don't pass an unitialized
one back to ->free_lseg during error processing.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Christoph Hellwig 2014-08-21 11:09:18 -05:00 committed by Trond Myklebust
parent 2e11f8296d
commit 1013df6115
1 changed files with 3 additions and 2 deletions
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5
fs/nfs/pnfs.c
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@ -1358,6 +1358,9 @@ pnfs_layout_process(struct nfs4_layoutget *lgp)
goto out;
}
init_lseg(lo, lseg);
lseg->pls_range = res->range;
spin_lock(&ino->i_lock);
if (test_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags)) {
dprintk("%s forget reply due to recall\n", __func__);
@ -1375,8 +1378,6 @@ pnfs_layout_process(struct nfs4_layoutget *lgp)
/* Done processing layoutget. Set the layout stateid */
pnfs_set_layout_stateid(lo, &res->stateid, false);
init_lseg(lo, lseg);
lseg->pls_range = res->range;
pnfs_get_lseg(lseg);
pnfs_layout_insert_lseg(lo, lseg);