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-rw-r--r--fs/fcntl.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 5f96786d1c73..dc4a7007f4e7 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -208,8 +208,11 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
208 struct inode * inode = filp->f_dentry->d_inode; 208 struct inode * inode = filp->f_dentry->d_inode;
209 int error = 0; 209 int error = 0;
210 210
211 /* O_APPEND cannot be cleared if the file is marked as append-only */ 211 /*
212 if (!(arg & O_APPEND) && IS_APPEND(inode)) 212 * O_APPEND cannot be cleared if the file is marked as append-only
213 * and the file is open for write.
214 */
215 if (((arg ^ filp->f_flags) & O_APPEND) && IS_APPEND(inode))
213 return -EPERM; 216 return -EPERM;
214 217
215 /* O_NOATIME can only be set by the owner or superuser */ 218 /* O_NOATIME can only be set by the owner or superuser */