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switch ->setxattr() to passing dentry and inode separately

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smack ->d_instantiate() uses ->setxattr(), so to be able to call it before
we'd hashed the new dentry and attached it to inode, we need ->setxattr()
instances getting the inode as an explicit argument rather than obtaining
it from dentry.

Similar change for ->getxattr() had been done in commit ce23e64.  Unlike
->getxattr() (which is used by both selinux and smack instances of
->d_instantiate()) ->setxattr() is used only by smack one and unfortunately
it got missed back then.

Reported-by: Seung-Woo Kim <[email protected]>
Tested-by: Casey Schaufler <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2016-05-27 11:06:05 -04:00
commit 3767e255b3
20 changed files with 59 additions and 44 deletions
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6
fs/hfs/attr.c
View file

@ -13,10 +13,10 @@
#include "hfs_fs.h"
#include "btree.h"
int hfs_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
int hfs_setxattr(struct dentry *unused, struct inode *inode,
const char *name, const void *value,
size_t size, int flags)
{
struct inode *inode = d_inode(dentry);
struct hfs_find_data fd;
hfs_cat_rec rec;
struct hfs_cat_file *file;

2
fs/hfs/hfs_fs.h
View file

@ -212,7 +212,7 @@ extern void hfs_evict_inode(struct inode *);
extern void hfs_delete_inode(struct inode *);
/* attr.c */
extern int hfs_setxattr(struct dentry *dentry, const char *name,
extern int hfs_setxattr(struct dentry *dentry, struct inode *inode, const char *name,
const void *value, size_t size, int flags);
extern ssize_t hfs_getxattr(struct dentry *dentry, struct inode *inode,
const char *name, void *value, size_t size);