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-rw-r--r--fs/nfsd/vfs.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index f83ab4cf426..df4019f0456 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -880,6 +880,16 @@ out:
return err;
}
+static void kill_suid(struct dentry *dentry)
+{
+ struct iattr ia;
+ ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID;
+
+ down(&dentry->d_inode->i_sem);
+ notify_change(dentry, &ia);
+ up(&dentry->d_inode->i_sem);
+}
+
static inline int
nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
loff_t offset, struct kvec *vec, int vlen,
@@ -933,14 +943,8 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
}
/* clear setuid/setgid flag after write */
- if (err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID))) {
- struct iattr ia;
- ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID;
-
- down(&inode->i_sem);
- notify_change(dentry, &ia);
- up(&inode->i_sem);
- }
+ if (err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID)))
+ kill_suid(dentry);
if (err >= 0 && stable) {
static ino_t last_ino;