diff options
| author | Thorsten Blum <thorsten.blum@linux.dev> | 2025-05-03 13:52:03 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2025-05-05 12:47:30 +0200 |
| commit | 5aaf6a8cc3305e1000417f6fac9d131c47db9117 (patch) | |
| tree | 8f1ed93456aa1cd2854b06d858b3441d70acf832 | |
| parent | 8a39f1c870e9d6fbac5638f3a42a6a6363829c49 (diff) | |
ovl: Replace offsetof() with struct_size() in ovl_cache_entry_new()
Compared to offsetof(), struct_size() provides additional compile-time
checks for structs with flexible arrays (e.g., __must_be_array()).
No functional changes intended.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
| -rw-r--r-- | fs/overlayfs/readdir.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c index 881ec5592da5..efe4700c797e 100644 --- a/fs/overlayfs/readdir.c +++ b/fs/overlayfs/readdir.c @@ -13,6 +13,7 @@ #include <linux/security.h> #include <linux/cred.h> #include <linux/ratelimit.h> +#include <linux/overflow.h> #include "overlayfs.h" struct ovl_cache_entry { @@ -147,9 +148,8 @@ static struct ovl_cache_entry *ovl_cache_entry_new(struct ovl_readdir_data *rdd, u64 ino, unsigned int d_type) { struct ovl_cache_entry *p; - size_t size = offsetof(struct ovl_cache_entry, name[len + 1]); - p = kmalloc(size, GFP_KERNEL); + p = kmalloc(struct_size(p, name, len + 1), GFP_KERNEL); if (!p) return NULL; |