NFSD: Fix mixed sign comparison in nfs3svc_decode_symlinkargs

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Acked-By: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index c02b8d69297df2181b1d6ab341baa5c549971a9a..be515c5a815402eba9992bcf64294abf75fc6344 100644 (file)
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -452,8 +452,7 @@ int
 nfs3svc_decode_symlinkargs(struct svc_rqst *rqstp, __be32 *p,
                                        struct nfsd3_symlinkargs *args)
 {
-       unsigned int len;
-       int avail;
+       unsigned int len, avail;
        char *old, *new;
        struct kvec *vec;
 
@@ -486,7 +485,8 @@ nfs3svc_decode_symlinkargs(struct svc_rqst *rqstp, __be32 *p,
        /* now copy next page if there is one */
        if (len && !avail && rqstp->rq_arg.page_len) {
                avail = rqstp->rq_arg.page_len;
-               if (avail > PAGE_SIZE) avail = PAGE_SIZE;
+               if (avail > PAGE_SIZE)
+                       avail = PAGE_SIZE;
                old = page_address(rqstp->rq_arg.pages[0]);
        }
        while (len && avail && *old) {