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NFSv4.2: fix return value of _nfs4_get_security_label()
[ Upstream commit53cb245454
] An xattr 'get' handler is expected to return the length of the value on success, yet _nfs4_get_security_label() (and consequently also nfs4_xattr_get_nfs4_label(), which is used as an xattr handler) returns just 0 on success. Fix this by returning label.len instead, which contains the length of the result. Fixes:aa9c266962
("NFS: Client implementation of Labeled-NFS") Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com> Reviewed-by: James Morris <jamorris@linux.microsoft.com> Reviewed-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -5830,7 +5830,7 @@ static int _nfs4_get_security_label(struct inode *inode, void *buf,
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return ret;
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if (!(fattr.valid & NFS_ATTR_FATTR_V4_SECURITY_LABEL))
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return -ENOENT;
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return 0;
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return label.len;
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}
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static int nfs4_get_security_label(struct inode *inode, void *buf,
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