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dlm: replace one-element array with fixed size array

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One-element arrays are deprecated. So, replace one-element array with
fixed size array member in struct dlm_ls, and refactor the rest of the
code, accordingly.

Link: https://github.com/KSPP/linux/issues/79
Link: https://github.com/KSPP/linux/issues/228
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101836
Link: https://lore.kernel.org/lkml/Y0W5jkiXUkpNl4ap@mail.google.com/

Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Paulo Miguel Almeida 2022-10-12 09:23:14 +13:00 committed by David Teigland
parent f0c4d9fc9c
commit d96d0f9617
2 changed files with 2 additions and 2 deletions
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2
fs/dlm/dlm_internal.h
View File

@ -670,7 +670,7 @@ struct dlm_ls {
void *ls_ops_arg;
int ls_namelen;
char ls_name[1];
char ls_name[DLM_LOCKSPACE_LEN + 1];
};
/*

2
fs/dlm/lockspace.c
View File

@ -473,7 +473,7 @@ static int new_lockspace(const char *name, const char *cluster,
error = -ENOMEM;
ls = kzalloc(sizeof(struct dlm_ls) + namelen, GFP_NOFS);
ls = kzalloc(sizeof(*ls), GFP_NOFS);
if (!ls)
goto out;
memcpy(ls->ls_name, name, namelen);