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-rw-r--r--fs/open.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/open.c b/fs/open.c
index 5a2c6ebc22b5..b47aab39c057 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -233,6 +233,14 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
233 233
234 if (!(file->f_mode & FMODE_WRITE)) 234 if (!(file->f_mode & FMODE_WRITE))
235 return -EBADF; 235 return -EBADF;
236
237 /* It's not possible punch hole on append only file */
238 if (mode & FALLOC_FL_PUNCH_HOLE && IS_APPEND(inode))
239 return -EPERM;
240
241 if (IS_IMMUTABLE(inode))
242 return -EPERM;
243
236 /* 244 /*
237 * Revalidate the write permissions, in case security policy has 245 * Revalidate the write permissions, in case security policy has
238 * changed since the files were opened. 246 * changed since the files were opened.