list: leverage list_is_head() for list_entry_is_head()
authorWei Yang <richard.weiyang@gmail.com>
Thu, 8 Feb 2024 02:14:23 +0000 (02:14 +0000)
committerAndrew Morton <akpm@linux-foundation.org>
Thu, 22 Feb 2024 23:38:55 +0000 (15:38 -0800)
This is what list_is_head() exactly do.

Link: https://lkml.kernel.org/r/20240208021423.15704-1-richard.weiyang@gmail.com
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
include/linux/list.h

index 523b7c4d000a1f1da25226a9fc926fdb23ed270b..5f4b0a39cf46a3784a22e0319aa213551d7f4b2c 100644 (file)
@@ -766,7 +766,7 @@ static inline size_t list_count_nodes(struct list_head *head)
  * @member:    the name of the list_head within the struct.
  */
 #define list_entry_is_head(pos, head, member)                          \
-       (&pos->member == (head))
+       list_is_head(&pos->member, (head))
 
 /**
  * list_for_each_entry -       iterate over list of given type