From: Olga Kornievskaia olga.kornievskaia@gmail.com
commit 18f428d4e2f7eff162d80b2b21689496c4e82afd upstream.
Static checker revealed possible error path leading to possible NULL pointer dereferencing.
Reported-by: Dan Carpenter dan.carpenter@oracle.com Fixes: e0639dc5805a: ("NFSD introduce async copy feature") Signed-off-by: Olga Kornievskaia kolga@netapp.com Signed-off-by: J. Bruce Fields bfields@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/nfsd/nfs4proc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1298,7 +1298,8 @@ nfsd4_copy(struct svc_rqst *rqstp, struc out: return status; out_err: - cleanup_async_copy(async_copy); + if (async_copy) + cleanup_async_copy(async_copy); goto out; }