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| author | Thorsten Blum <thorsten.blum@linux.dev> | 2025-09-12 08:52:57 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-09-15 14:42:56 +0200 |
| commit | e60625e7ce10f696690d9e36a9f32fc7c1897f79 (patch) | |
| tree | a685e9ed4caf0b9fc268d2b3655b0c1b076043d3 /init | |
| parent | initrd: Fix unused variable warning in rd_load_image() on s390 (diff) | |
| download | linux-e60625e7ce10f696690d9e36a9f32fc7c1897f79.tar.gz linux-e60625e7ce10f696690d9e36a9f32fc7c1897f79.zip | |
initramfs: Use struct_size() helper to improve dir_add()
Use struct_size() to calculate the number of bytes to allocate for a new
directory entry. No functional changes.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/initramfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/init/initramfs.c b/init/initramfs.c index 097673b97784..c607f4d681ef 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -19,6 +19,7 @@ #include <linux/init_syscalls.h> #include <linux/umh.h> #include <linux/security.h> +#include <linux/overflow.h> #include "do_mounts.h" #include "initramfs_internal.h" @@ -152,7 +153,7 @@ static void __init dir_add(const char *name, size_t nlen, time64_t mtime) { struct dir_entry *de; - de = kmalloc(sizeof(struct dir_entry) + nlen, GFP_KERNEL); + de = kmalloc(struct_size(de, name, nlen), GFP_KERNEL); if (!de) panic_show_mem("can't allocate dir_entry buffer"); INIT_LIST_HEAD(&de->list); |