Re: [PATCH v2] apparmor/file: Removing unnecessary initial values for variable pointers
From: John Johansen <john.johansen@canonical.com>
Date: 2023-09-28 17:36:32
Also in:
lkml
From: John Johansen <john.johansen@canonical.com>
Date: 2023-09-28 17:36:32
Also in:
lkml
On 9/18/23 18:56, Li kunyu wrote:
These variable pointers are assigned during use and do not need to be initialized for assignment. Signed-off-by: Li kunyu <redacted> --- v2: Fix timestamp issues security/apparmor/file.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)diff --git a/security/apparmor/file.c b/security/apparmor/file.c index 698b124e649f..12eafdf18fc0 100644 --- a/security/apparmor/file.c +++ b/security/apparmor/file.c@@ -264,7 +264,7 @@ int aa_path_perm(const char *op, struct aa_label *label, { struct aa_perms perms = {}; struct aa_profile *profile; - char *buffer = NULL; + char *buffer;
this is okay
int error; flags |= PATH_DELEGATE_DELETED | (S_ISDIR(cond->mode) ? PATH_IS_DIR :@@ -412,7 +412,7 @@ int aa_path_link(struct aa_label *label, struct dentry *old_dentry, d_backing_inode(old_dentry)->i_uid, d_backing_inode(old_dentry)->i_mode }; - char *buffer = NULL, *buffer2 = NULL; + char *buffer, *buffer2;
this can cause an oops if buffer2 allocation fails. There are a couple of ways I can see to fix this, do you want to take a crack at it.
struct aa_profile *profile; int error;