From: Chuck Lever <chuck.lever@oracle.com>
Date: Thu, 19 Nov 2020 18:54:26 +0000 (-0500)
Subject: NFSD: Replace READ* macros that decode the fattr4 mode attribute
X-Git-Tag: accepted/tizen/unified/20230118.172025~8293^2~90
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1c8f0ad7dd35fd12307904036c7c839f77b6e3f9;p=platform%2Fkernel%2Flinux-rpi.git

NFSD: Replace READ* macros that decode the fattr4 mode attribute

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index ac2f259..e6c3b67 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -351,8 +351,11 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
 	} else
 		*acl = NULL;
 	if (bmval[1] & FATTR4_WORD1_MODE) {
-		READ_BUF(4);
-		iattr->ia_mode = be32_to_cpup(p++);
+		u32 mode;
+
+		if (xdr_stream_decode_u32(argp->xdr, &mode) < 0)
+			return nfserr_bad_xdr;
+		iattr->ia_mode = mode;
 		iattr->ia_mode &= (S_IFMT | S_IALLUGO);
 		iattr->ia_valid |= ATTR_MODE;
 	}