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authorAl Viro <viro@ftp.linux.org.uk>2006-10-19 23:28:44 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-20 10:26:39 -0700
commitcc45f0175088e000ac7493e5e3f05579b6f7d240 (patch)
treecc53e59824097b45a39ca332b3451aedc43d4fe2 /fs/lockd
parentb7766da7f7395b74dec9e52005b7dac0d09391a4 (diff)
[PATCH] bug: nfsd/nfs4xdr.c misuse of ERR_PTR()
a) ERR_PTR(nfserr_something) is a bad idea; IS_ERR() will be false for it. b) mixing nfserr_.... with -EOPNOTSUPP is even worse idea. nfsd4_path() does both; caller expects to get NFS protocol error out it if anything goes wrong, but if it does we either do not notice (see (a)) or get host-endian negative (see (b)). IOW, that's a case when we can't use ERR_PTR() to return error, even though we return a pointer in case of success. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Acked-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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