turns out that probe_user_write is used in modular code

Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Stephen Rothwell <[email protected]> Cc: Christoph Hellwig <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Stephen Rothwell <[email protected]>
sigmaris · Jun 5, 2020 · 4cc91ee · 4cc91ee
1 parent b8ca32e
commit 4cc91ee
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mm/maccess.c b/mm/maccess.c
@@ -244,6 +244,7 @@ long strncpy_from_unsafe_user(char *dst, const void __user *unsafe_addr,
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(probe_user_write);
 
 /**
  * strnlen_unsafe_user: - Get the size of a user string INCLUDING final NUL.