1 files changed, 10 insertions, 3 deletions

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 124852bcf6fe..ecddcc2ed746 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -127,9 +127,16 @@ static int udf_write_begin(struct file *file, struct address_space *mapping,
                         loff_t pos, unsigned len, unsigned flags,
                         struct page **pagep, void **fsdata)
 {
-        *pagep = NULL;
-        return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-                                udf_get_block);
+        int ret;
+
+        ret = block_write_begin(mapping, pos, len, flags, pagep, udf_get_block);
+        if (unlikely(ret)) {
+                loff_t isize = mapping->host->i_size;
+                if (pos + len > isize)
+                        vmtruncate(mapping->host, isize);
+        }
+
+        return ret;
 }
 
 static sector_t udf_bmap(struct address_space *mapping, sector_t block)