The patch titled Subject: maple_tree: Fix warning comparing pointer to 0 has been added to the -mm mm-unstable branch. Its filename is maple_tree-fix-warning-comparing-pointer-to-0.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-fix-warning-comparing-pointer-to-0.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> Subject: maple_tree: Fix warning comparing pointer to 0 Date: Fri, 8 Dec 2023 10:04:50 +0800 Avoid pointer type value compared with 0 to make code clear. /tools/testing/radix-tree/maple.c:34142:15-16: WARNING comparing pointer to 0. Link: https://lkml.kernel.org/r/20231208020450.7003-1-jiapeng.chong@xxxxxxxxxxxxxxxxx Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7696 Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> Cc: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/radix-tree/maple.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/tools/testing/radix-tree/maple.c~maple_tree-fix-warning-comparing-pointer-to-0 +++ a/tools/testing/radix-tree/maple.c @@ -34139,7 +34139,7 @@ STORE, 140501948112896, 140501948116991, mt_init_flags(mt, MT_FLAGS_ALLOC_RANGE); check_erase2_testset(mt, set27, ARRAY_SIZE(set27)); rcu_barrier(); - MT_BUG_ON(mt, 0 != mtree_load(mt, 140415537422336)); + MT_BUG_ON(mt, NULL != mtree_load(mt, 140415537422336)); mt_set_non_kernel(0); mt_validate(mt); mtree_destroy(mt); @@ -34263,7 +34263,7 @@ STORE, 140501948112896, 140501948116991, mt_init_flags(mt, MT_FLAGS_ALLOC_RANGE); check_erase2_testset(mt, set37, ARRAY_SIZE(set37)); rcu_barrier(); - MT_BUG_ON(mt, 0 != mtree_load(mt, 94637033459712)); + MT_BUG_ON(mt, NULL != mtree_load(mt, 94637033459712)); mt_validate(mt); mtree_destroy(mt); @@ -34271,7 +34271,7 @@ STORE, 140501948112896, 140501948116991, mt_init_flags(mt, MT_FLAGS_ALLOC_RANGE); check_erase2_testset(mt, set38, ARRAY_SIZE(set38)); rcu_barrier(); - MT_BUG_ON(mt, 0 != mtree_load(mt, 94637033459712)); + MT_BUG_ON(mt, NULL != mtree_load(mt, 94637033459712)); mt_validate(mt); mtree_destroy(mt); _ Patches currently in -mm which might be from jiapeng.chong@xxxxxxxxxxxxxxxxx are maple_tree-remove-unused-function.patch maple_tree-fix-warning-comparing-pointer-to-0.patch