nfsd: Fix error return values for nfsd4_clone_file_range()
authorTrond Myklebust <trondmy@gmail.com>
Mon, 21 Jan 2019 20:58:38 +0000 (15:58 -0500)
committerJ. Bruce Fields <bfields@redhat.com>
Wed, 6 Feb 2019 20:32:05 +0000 (15:32 -0500)
commite3fdc89ca47ef34dfb6fd5101fec084c3dba5486
treedb76a23fac56a48431a2eb87a22f27ffd443b7ab
parent8834f5600cf3c8db365e18a3d5cac2c2780c81e5
nfsd: Fix error return values for nfsd4_clone_file_range()

If the parameter 'count' is non-zero, nfsd4_clone_file_range() will
currently clobber all errors returned by vfs_clone_file_range() and
replace them with EINVAL.

Fixes: 42ec3d4c0218 ("vfs: make remap_file_range functions take and...")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.20+
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
fs/nfsd/vfs.c