diff mbox series

[2/5] darray: Fix darray_for_each_reverse() when darray is empty

Message ID 20240603003306.2030491-3-kent.overstreet@linux.dev (mailing list archive)
State New
Headers show
Series sys_ringbuffer | expand

Commit Message

Kent Overstreet June 3, 2024, 12:32 a.m. UTC 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
 include/linux/darray.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/linux/darray.h b/include/linux/darray.h
index ff167eb795f2..603d6762c29a 100644
--- a/include/linux/darray.h
+++ b/include/linux/darray.h
@@ -108,7 +108,7 @@  do {									\
 	for (typeof(&(_d).data[0]) _i = (_d).data; _i < (_d).data + (_d).nr; _i++)
 
 #define darray_for_each_reverse(_d, _i)					\
-	for (typeof(&(_d).data[0]) _i = (_d).data + (_d).nr - 1; _i >= (_d).data; --_i)
+	for (typeof(&(_d).data[0]) _i = (_d).data + (_d).nr - 1; (_d).data && _i >= (_d).data; --_i)
 
 #define darray_init(_d)							\
 do {									\