target/ppc/kvm: Replace variable length array in kvmppc_save_htab()

To be able to compile QEMU with -Wvla (to prevent potential security
issues), we need to get rid of the variable length array in the
kvmppc_save_htab() function. Replace it with a heap allocation instead.

Message-ID: <20240221162636.173136-2-thuth@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2024-02-21 17:26:34 +01:00
parent 0e9a89193d
commit aba594da96

View File

@ -2688,7 +2688,7 @@ int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp)
int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns)
{
int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
uint8_t buf[bufsize];
g_autofree uint8_t *buf = g_malloc(bufsize);
ssize_t rc;
do {