gcc-4.6: nfsd: fix initialized but not read warnings

Fixes at least one real minor bug: the nfs4 recovery dir sysctl
would not return its status properly.

Also I finished Al's 1e41568d7378d ("Take ima_path_check() in nfsd
past dentry_open() in nfsd_open()") commit, it moved the IMA
code, but left the old path initializer in there.

The rest is just dead code removed I think, although I was not
fully sure about the "is_borc" stuff. Some more review
would be still good.

Found by gcc 4.6's new warnings.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7ab572f..0b4351f 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3421,11 +3421,9 @@ static inline void
 nfs4_set_lock_denied(struct file_lock *fl, struct nfsd4_lock_denied *deny)
 {
        struct nfs4_stateowner *sop;
-       unsigned int hval;
 
        if (fl->fl_lmops == &nfsd_posix_mng_ops) {
                sop = (struct nfs4_stateowner *) fl->fl_owner;
-               hval = lockownerid_hashval(sop->so_id);
                kref_get(&sop->so_ref);
                deny->ld_sop = sop;
                deny->ld_clientid = sop->so_client->cl_clientid;

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index b1c5be8..12f0ee7 100644 (file)
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1306,6 +1306,8 @@ static ssize_t __write_recoverydir(struct file *file, char *buf, size_t size)
                        return -EINVAL;
 
                status = nfs4_reset_recoverydir(recdir);
+               if (status)
+                       return status;
        }
 
        return scnprintf(buf, SIMPLE_TRANSACTION_LIMIT, "%s\n",

diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index a047ad6..1edb78b 100644 (file)
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -290,7 +290,6 @@ nfsd_proc_create(struct svc_rqst *rqstp, struct nfsd_createargs *argp,
         * gospel of sun micro
         */
        if (type != S_IFREG) {
-               int     is_borc = 0;
                if (type != S_IFBLK && type != S_IFCHR) {
                        rdev = 0;
                } else if (type == S_IFCHR && !(attr->ia_valid & ATTR_SIZE)) {
@@ -298,7 +297,6 @@ nfsd_proc_create(struct svc_rqst *rqstp, struct nfsd_createargs *argp,
                        type = S_IFIFO;
                } else {
                        /* Okay, char or block special */
-                       is_borc = 1;
                        if (!rdev)
                                rdev = wanted;
                }

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 31d32ae..3458a8f 100644 (file)
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -2052,7 +2052,6 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
                                        struct dentry *dentry, int acc)
 {
        struct inode    *inode = dentry->d_inode;
-       struct path     path;
        int             err;
 
        if (acc == NFSD_MAY_NOP)
@@ -2125,15 +2124,7 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
        if (err == -EACCES && S_ISREG(inode->i_mode) &&
            acc == (NFSD_MAY_READ | NFSD_MAY_OWNER_OVERRIDE))
                err = inode_permission(inode, MAY_EXEC);
-       if (err)
-               goto nfsd_out;
 
-       /* Do integrity (permission) checking now, but defer incrementing
-        * IMA counts to the actual file open.
-        */
-       path.mnt = exp->ex_path.mnt;
-       path.dentry = dentry;
-nfsd_out:
        return err? nfserrno(err) : 0;
 }