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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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5
fs/libfs.c
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@ -1118,8 +1118,9 @@ static int empty_dir_setattr(struct dentry *dentry, struct iattr *attr)
return -EPERM;
}
static int empty_dir_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
static int empty_dir_setxattr(struct dentry *dentry, struct inode *inode,
const char *name, const void *value,
size_t size, int flags)
{
return -EOPNOTSUPP;
}