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NFS: Fix use of copy_to_user() in idmap_pipe_upcall
authorChuck Lever <chuck.lever@oracle.com>
Thu, 20 Dec 2007 19:54:42 +0000 (14:54 -0500)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Wed, 30 Jan 2008 07:06:01 +0000 (02:06 -0500)
commita661b77fc12a172edea4b709e37f8cd58a6bd500
treeded0b18213329ec39682ad63530e849fafed22c0tree | snapshot (tar.gz zip)
parent369af0f1166f7a637751110395496cee156b4297commit | diff
NFS: Fix use of copy_to_user() in idmap_pipe_upcall

The idmap_pipe_upcall() function expects the copy_to_user() function to
return a negative error value if the call fails, but copy_to_user()
returns an unsigned long number of bytes that couldn't be copied.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
fs/nfs/idmap.c diff | blob | blame | history