fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-04-23 00:50:36 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

util/futex: fix dangling pointer use

Browse source 
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110901
Fixes: 7dc2f47882 "util: emulate futex on FreeBSD using umtx"
Cc: Greg V <greg@unrelenting.technology>
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
This commit is contained in:
Eric Engestrom 2019-06-12 17:23:27 +01:00
parent d378151246
commit 9996ddbb27
1 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/util/futex.h
View file

@ -69,15 +69,15 @@ static inline int futex_wake(uint32_t *addr, int count)
static inline int futex_wait(uint32_t *addr, int32_t value, struct timespec *timeout)
{
void *uaddr = NULL, *uaddr2 = NULL;
struct _umtx_time tmo = {
._flags = UMTX_ABSTIME,
._clockid = CLOCK_MONOTONIC
};
assert(value == (int)(uint32_t)value); /* Check that bits weren't discarded */
if (timeout != NULL) {
const struct _umtx_time tmo = {
._timeout = *timeout,
._flags = UMTX_ABSTIME,
._clockid = CLOCK_MONOTONIC
};
tmo._timeout = *timeout;
uaddr = (void *)(uintptr_t)sizeof(tmo);
uaddr2 = (void *)&tmo;
}