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authorXiu Jianfeng <xiujianfeng@huawei.com>2021-12-02 15:35:33 +0800
committerPaul Moore <paul@paul-moore.com>2021-12-05 21:58:32 -0500
commit5fe375728983b3fca6b958434a2e3f547bbbb2aa (patch)
treec42049f41c07ecb134db22c7640d8bc4853c54c9 /security/selinux/ss
parent6326948f940dc3f77066d5cdc44ba6afe67830c0 (diff)
selinux: Use struct_size() helper in kmalloc()
Make use of struct_size() helper instead of an open-coded calculation. Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security/selinux/ss')
-rw-r--r--security/selinux/ss/sidtab.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
index 656d50b09f76..293ec048af08 100644
--- a/security/selinux/ss/sidtab.c
+++ b/security/selinux/ss/sidtab.c
@@ -570,7 +570,7 @@ void sidtab_sid2str_put(struct sidtab *s, struct sidtab_entry *entry,
goto out_unlock;
}
- cache = kmalloc(sizeof(struct sidtab_str_cache) + str_len, GFP_ATOMIC);
+ cache = kmalloc(struct_size(cache, str, str_len), GFP_ATOMIC);
if (!cache)
goto out_unlock;