aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2011-06-20 19:16:29 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-20 01:43:22 -0400
commit2830ba7f34ebb27c4e5b8b6ef408cd6d74860890 (patch)
treebbcebc14bffd000f1dfcbf37e64f56d2f49581ac
parent7e40145eb111a5192e6d819f764db9d6828d1abb (diff)
downloadlinux-linaro-2830ba7f34ebb27c4e5b8b6ef408cd6d74860890.tar.gz
->permission() sanitizing: don't pass flags to generic_permission()
redundant; all callers get it duplicated in mask & MAY_NOT_BLOCK and none of them removes that bit. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/afs/security.c2
-rw-r--r--fs/btrfs/inode.c2
-rw-r--r--fs/ceph/inode.c2
-rw-r--r--fs/cifs/cifsfs.c2
-rw-r--r--fs/fuse/dir.c5
-rw-r--r--fs/gfs2/inode.c2
-rw-r--r--fs/hostfs/hostfs_kern.c2
-rw-r--r--fs/hpfs/namei.c2
-rw-r--r--fs/namei.c4
-rw-r--r--fs/nfs/dir.c2
-rw-r--r--fs/nilfs2/inode.c2
-rw-r--r--fs/ocfs2/file.c2
-rw-r--r--fs/proc/base.c2
-rw-r--r--fs/reiserfs/xattr.c2
-rw-r--r--fs/sysfs/inode.c2
-rw-r--r--include/linux/fs.h2
16 files changed, 18 insertions, 19 deletions
diff --git a/fs/afs/security.c b/fs/afs/security.c
index 745ee654165..ab6b3147f05 100644
--- a/fs/afs/security.c
+++ b/fs/afs/security.c
@@ -350,7 +350,7 @@ int afs_permission(struct inode *inode, int mask, unsigned int flags)
}
key_put(key);
- ret = generic_permission(inode, mask, flags);
+ ret = generic_permission(inode, mask);
_leave(" = %d", ret);
return ret;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f0bd8737156..b61b0477a8a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7339,7 +7339,7 @@ static int btrfs_permission(struct inode *inode, int mask, unsigned int flags)
return -EROFS;
if ((BTRFS_I(inode)->flags & BTRFS_INODE_READONLY) && (mask & MAY_WRITE))
return -EACCES;
- return generic_permission(inode, mask, flags);
+ return generic_permission(inode, mask);
}
static const struct inode_operations btrfs_dir_inode_operations = {
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index beb5d55d6fd..9c169741b41 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1805,7 +1805,7 @@ int ceph_permission(struct inode *inode, int mask, unsigned int flags)
err = ceph_do_getattr(inode, CEPH_CAP_AUTH_SHARED);
if (!err)
- err = generic_permission(inode, mask, flags);
+ err = generic_permission(inode, mask);
return err;
}
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index b79804fa410..b285b5bcf71 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -239,7 +239,7 @@ static int cifs_permission(struct inode *inode, int mask, unsigned int flags)
on the client (above and beyond ACL on servers) for
servers which do not support setting and viewing mode bits,
so allowing client to check permissions is useful */
- return generic_permission(inode, mask, flags);
+ return generic_permission(inode, mask);
}
static struct kmem_cache *cifs_inode_cachep;
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 0a2fcd860ad..0df56b6c26e 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1018,7 +1018,7 @@ static int fuse_permission(struct inode *inode, int mask, unsigned int flags)
}
if (fc->flags & FUSE_DEFAULT_PERMISSIONS) {
- err = generic_permission(inode, mask, flags);
+ err = generic_permission(inode, mask);
/* If permission is denied, try to refresh file
attributes. This is also needed, because the root
@@ -1026,8 +1026,7 @@ static int fuse_permission(struct inode *inode, int mask, unsigned int flags)
if (err == -EACCES && !refreshed) {
err = fuse_perm_getattr(inode, flags);
if (!err)
- err = generic_permission(inode, mask,
- flags);
+ err = generic_permission(inode, mask);
}
/* Note: the opposite of the above test does not
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index d5f0f4ea25d..b776ec8f9c1 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1564,7 +1564,7 @@ int gfs2_permission(struct inode *inode, int mask, unsigned int flags)
if ((mask & MAY_WRITE) && IS_IMMUTABLE(inode))
error = -EACCES;
else
- error = generic_permission(inode, mask, flags);
+ error = generic_permission(inode, mask);
if (unlock)
gfs2_glock_dq_uninit(&i_gh);
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index a98d0d1aef6..b1bc31bde83 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -770,7 +770,7 @@ int hostfs_permission(struct inode *ino, int desired, unsigned int flags)
err = access_file(name, r, w, x);
__putname(name);
if (!err)
- err = generic_permission(ino, desired, flags);
+ err = generic_permission(ino, desired);
return err;
}
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index bd2ce7dd8df..2df69e2f07c 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -398,7 +398,7 @@ again:
hpfs_unlock(dir->i_sb);
return -ENOSPC;
}
- if (generic_permission(inode, MAY_WRITE, 0) ||
+ if (generic_permission(inode, MAY_WRITE) ||
!S_ISREG(inode->i_mode) ||
get_write_access(inode)) {
d_rehash(dentry);
diff --git a/fs/namei.c b/fs/namei.c
index 560fd1dff1d..684e0f30cf4 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -224,7 +224,7 @@ other_perms:
* request cannot be satisfied (eg. requires blocking or too much complexity).
* It would then be called again in ref-walk mode.
*/
-int generic_permission(struct inode *inode, int mask, unsigned int flags)
+int generic_permission(struct inode *inode, int mask)
{
int ret;
@@ -289,7 +289,7 @@ int inode_permission(struct inode *inode, int mask)
if (inode->i_op->permission)
retval = inode->i_op->permission(inode, mask, 0);
else
- retval = generic_permission(inode, mask, 0);
+ retval = generic_permission(inode, mask);
if (retval)
return retval;
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 0485dca34fb..16cf84b4afb 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2328,7 +2328,7 @@ out:
out_notsup:
res = nfs_revalidate_inode(NFS_SERVER(inode), inode);
if (res == 0)
- res = generic_permission(inode, mask, flags);
+ res = generic_permission(inode, mask);
goto out;
}
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 650aa775500..0df6de58bbc 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -806,7 +806,7 @@ int nilfs_permission(struct inode *inode, int mask, unsigned int flags)
root->cno != NILFS_CPTREE_CURRENT_CNO)
return -EROFS; /* snapshot is not writable */
- return generic_permission(inode, mask, flags);
+ return generic_permission(inode, mask);
}
int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh)
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index d058cb7e12d..ecb52b02896 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1293,7 +1293,7 @@ int ocfs2_permission(struct inode *inode, int mask, unsigned int flags)
goto out;
}
- ret = generic_permission(inode, mask, flags);
+ ret = generic_permission(inode, mask);
ocfs2_inode_unlock(inode, 0);
out:
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 8b847011357..53a1a961b25 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2169,7 +2169,7 @@ static const struct file_operations proc_fd_operations = {
*/
static int proc_fd_permission(struct inode *inode, int mask, unsigned int flags)
{
- int rv = generic_permission(inode, mask, flags);
+ int rv = generic_permission(inode, mask);
if (rv == 0)
return 0;
if (task_pid(current) == proc_pid(inode))
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 6ee3c11aa8d..f17319613a8 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -967,7 +967,7 @@ int reiserfs_permission(struct inode *inode, int mask, unsigned int flags)
if (IS_PRIVATE(inode))
return 0;
- return generic_permission(inode, mask, flags);
+ return generic_permission(inode, mask);
}
static int xattr_hide_revalidate(struct dentry *dentry, struct nameidata *nd)
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index a37165c6475..04c81e5ba6f 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -362,5 +362,5 @@ int sysfs_permission(struct inode *inode, int mask, unsigned int flags)
sysfs_refresh_inode(sd, inode);
mutex_unlock(&sysfs_mutex);
- return generic_permission(inode, mask, flags);
+ return generic_permission(inode, mask);
}
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f218b42718a..a1689c13eb7 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2188,7 +2188,7 @@ extern sector_t bmap(struct inode *, sector_t);
#endif
extern int notify_change(struct dentry *, struct iattr *);
extern int inode_permission(struct inode *, int);
-extern int generic_permission(struct inode *, int, unsigned int);
+extern int generic_permission(struct inode *, int);
static inline bool execute_ok(struct inode *inode)
{