diff options
| author | Jiri Slaby (SUSE) <jirislaby@kernel.org> | 2023-08-16 13:55:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-22 15:58:15 +0300 |
| commit | 46bc78c81b65044fa7bd4781e6501b756b3a86bc (patch) | |
| tree | d59d32b205b9d97942c692a59e6fa358b137a432 /drivers/tty/tty_buffer.c | |
| parent | d4d13ff3ac78b41bfaefd5ad1efd72cfbf43f288 (diff) | |
| download | linux-46bc78c81b65044fa7bd4781e6501b756b3a86bc.tar.xz | |
tty: tty_buffer: use struct_size() in tty_buffer_alloc()
Now, that tty_buffer::data has the right type, use struct_size() for
size calculation. struct_size() makes the code less error-prone and more
readable.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230816105530.3335-3-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_buffer.c')
| -rw-r--r-- | drivers/tty/tty_buffer.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 684d099cbe11..c94df1a2d7f8 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -177,8 +177,7 @@ static struct tty_buffer *tty_buffer_alloc(struct tty_port *port, size_t size) */ if (atomic_read(&port->buf.mem_used) > port->buf.mem_limit) return NULL; - p = kmalloc(sizeof(struct tty_buffer) + 2 * size, - GFP_ATOMIC | __GFP_NOWARN); + p = kmalloc(struct_size(p, data, 2 * size), GFP_ATOMIC | __GFP_NOWARN); if (p == NULL) return NULL; |