From: Chuck Lever <chuck.lever@oracle.com>
Date: Fri, 14 May 2021 19:56:25 +0000 (-0400)
Subject: NFSD: Constify @fh argument of knfsd_fh_hash()
X-Git-Tag: v5.4.293~83
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=052549f912a4d60d8efd2de6ce9dd13c560193ec;p=thirdparty%2Fkernel%2Fstable.git

NFSD: Constify @fh argument of knfsd_fh_hash()

[ Upstream commit 1736aec82a15cb5d4b3bbe0b2fbae0ede66b1a1a ]

Enable knfsd_fh_hash() to be invoked in functions where the
filehandle pointer is a const.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Stable-dep-of: cd35b6cb4664 ("nfs: add missing selections of CONFIG_CRC32")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/fs/nfsd/nfsfh.h b/fs/nfsd/nfsfh.h
index 755e256a91039..42c168ac6b934 100644
--- a/fs/nfsd/nfsfh.h
+++ b/fs/nfsd/nfsfh.h
@@ -216,15 +216,12 @@ static inline bool fh_fsid_match(struct knfsd_fh *fh1, struct knfsd_fh *fh2)
  * returns a crc32 hash for the filehandle that is compatible with
  * the one displayed by "wireshark".
  */
-
-static inline u32
-knfsd_fh_hash(struct knfsd_fh *fh)
+static inline u32 knfsd_fh_hash(const struct knfsd_fh *fh)
 {
 	return ~crc32_le(0xFFFFFFFF, (unsigned char *)&fh->fh_base, fh->fh_size);
 }
 #else
-static inline u32
-knfsd_fh_hash(struct knfsd_fh *fh)
+static inline u32 knfsd_fh_hash(const struct knfsd_fh *fh)
 {
 	return 0;
 }