The patch titled
Subject: lib: fix the NULL vs IS_ERR() bug for debugfs_create_dir()
has been added to the -mm mm-nonmm-unstable branch. Its filename is
lib-fix-the-null-vs-is_err-bug-for-debugfs_create_dir.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-fix-the-null-vs-is_err-bug-for-debugfs_create_dir.patch
This patch will later appear in the mm-nonmm-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: Yang Ruibin <11162571@xxxxxxxx>
Subject: lib: fix the NULL vs IS_ERR() bug for debugfs_create_dir()
Date: Wed, 21 Aug 2024 03:34:40 -0400
debugfs_create_dir() returns error pointers. It never returns NULL. So
use IS_ERR() to check it.
Link: https://lkml.kernel.org/r/20240821073441.9701-1-11162571@xxxxxxxx
Signed-off-by: Yang Ruibin <11162571@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/test_fpu_glue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/lib/test_fpu_glue.c~lib-fix-the-null-vs-is_err-bug-for-debugfs_create_dir
+++ a/lib/test_fpu_glue.c
@@ -42,7 +42,7 @@ static int __init test_fpu_init(void)
return -EINVAL;
selftest_dir = debugfs_create_dir("selftest_helpers", NULL);
- if (!selftest_dir)
+ if (IS_ERR(selftest_dir))
return -ENOMEM;
debugfs_create_file_unsafe("test_fpu", 0444, selftest_dir, NULL,
_
Patches currently in -mm which might be from 11162571@xxxxxxxx are
lib-fix-the-null-vs-is_err-bug-for-debugfs_create_dir.patch
