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-rw-r--r--mm/fadvise.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/fadvise.c b/mm/fadvise.c
index 57264d74b8b..5f19e87bc5a 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -43,6 +43,10 @@ asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice)
goto out;
}
+ if (mapping->a_ops->get_xip_page)
+ /* no bad return value, but ignore advice */
+ goto out;
+
/* Careful about overflows. Len == 0 means "as much as possible" */
endbyte = offset + len;
if (!len || endbyte < len)