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chardev/baum: Avoid dynamic stack allocation

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Use autofree heap allocation instead of variable-length
array on the stack.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20220819153931.3147384-4-peter.maydell@linaro.org
This commit is contained in:
Philippe Mathieu-Daudé 2022-08-19 16:39:23 +01:00 committed by Peter Maydell
parent 1e3acd3357
commit d34977d682
1 changed files with 2 additions and 1 deletions
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chardev/baum.c
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@ -299,7 +299,8 @@ static void baum_chr_accept_input(struct Chardev *chr)
static void baum_write_packet(BaumChardev *baum, const uint8_t *buf, int len) static void baum_write_packet(BaumChardev *baum, const uint8_t *buf, int len)
{ {
Chardev *chr = CHARDEV(baum); Chardev *chr = CHARDEV(baum);
uint8_t io_buf[1 + 2 * len], *cur = io_buf; g_autofree uint8_t *io_buf = g_malloc(1 + 2 * len);
uint8_t *cur = io_buf;
int room; int room;
*cur++ = ESC; *cur++ = ESC;
while (len--) while (len--)