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-rw-r--r--mm/filemap.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 4fb1546..79f24a9 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1627,12 +1627,18 @@ int __remove_suid(struct dentry *dentry, int kill)
int remove_suid(struct dentry *dentry)
{
- int kill = should_remove_suid(dentry);
+ int killsuid = should_remove_suid(dentry);
+ int killpriv = security_inode_need_killpriv(dentry);
+ int error = 0;
- if (unlikely(kill))
- return __remove_suid(dentry, kill);
+ if (killpriv < 0)
+ return killpriv;
+ if (killpriv)
+ error = security_inode_killpriv(dentry);
+ if (!error && killsuid)
+ error = __remove_suid(dentry, killsuid);
- return 0;
+ return error;
}
EXPORT_SYMBOL(remove_suid);
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