NFSD: Fix trace_nfsd_fh_verify_err() crasher
authorChuck Lever <chuck.lever@oracle.com>
Sat, 12 Nov 2022 20:06:07 +0000 (15:06 -0500)
committerChuck Lever <chuck.lever@oracle.com>
Mon, 14 Nov 2022 13:43:35 +0000 (08:43 -0500)
commit5a01c805441bdc86e7af206d8a03735cc9394ffb
tree3b2e082f67fe222e8d4dded3a37f33e7fde5e37d
parent50256e4793a5e5ab77703c82a47344ad2e774a59
NFSD: Fix trace_nfsd_fh_verify_err() crasher

Now that the nfsd_fh_verify_err() tracepoint is always called on
error, it needs to handle cases where the filehandle is not yet
fully formed.

Fixes: 93c128e709ae ("nfsd: ensure we always call fh_verify_error tracepoint")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
fs/nfsd/trace.h