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ceph: fix inode leak on getattr error in __fh_to_dentry

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[ Upstream commit 1775c7ddacfcea29051c67409087578f8f4d751b ]

Fixes: 878dabb64117 ("ceph: don't return -ESTALE if there's still an open file")
Signed-off-by: Jeff Layton <[email protected]>
Reviewed-by: Xiubo Li <[email protected]>
Signed-off-by: Ilya Dryomov <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Jeff Layton 2021-03-26 09:21:53 -04:00 • committed by Greg Kroah-Hartman
commit 2ad8af2b70
1 changed files with 3 additions and 1 deletions
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4
fs/ceph/export.c
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@ -178,8 +178,10 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, u64 ino)
return ERR_CAST(inode);
/* We need LINK caps to reliably check i_nlink */
err = ceph_do_getattr(inode, CEPH_CAP_LINK_SHARED, false);
if (err)
if (err) {
iput(inode);
return ERR_PTR(err);
}
/* -ESTALE if inode as been unlinked and no file is open */
if ((inode->i_nlink == 0) && (atomic_read(&inode->i_count) == 1)) {
iput(inode);