Commit 4ef35932 authored Dec 04, 2019 by Olga Kornievskaia Committed by Greg Kroah-Hartman Jan 17, 2020

NFSD fixing possible null pointer derefering in copy offload



commit 18f428d4e2f7eff162d80b2b21689496c4e82afd upstream.

Static checker revealed possible error path leading to possible
NULL pointer dereferencing.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: e0639dc5: ("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>

parent 382e63a5

fs/nfsd/nfs4proc.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1298,6 +1298,7 @@ nfsd4_copy(struct svc_rqst rqstp, struct nfsd4_compound_state cstate,
		out:
		return status;
		out_err:
		if (async_copy)
		cleanup_async_copy(async_copy);
		goto out;
		}