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vh265: fixes an issue that using semaphore could cause crash.

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PD#161077: fixes an issue that using semaphore could cause crash

Change-Id: I5ea95042a92030e298bcc026aeed48f436cf739e
Signed-off-by: Nanxin Qin <nanxin.qin@amlogic.com>
This commit is contained in:
Nanxin Qin
2018-02-26 17:36:32 +08:00
committed by Dongjin Kim
parent d400f1501e
commit 377ce88097
1 changed files with 7 additions and 6 deletions
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13
drivers/amlogic/media_modules/frame_provider/decoder/h265/vh265.c
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@@ -8501,7 +8501,8 @@ static int h265_task_handle(void *data)
hevc_print(hevc, 0, "uninit list\n");
hevc->uninit_list = 0;
#ifdef USE_UNINIT_SEMA
up(&hevc->h265_uninit_done_sema);
if (use_cma)
up(&hevc->h265_uninit_done_sema);
#endif
}
@@ -8906,12 +8907,11 @@ static s32 vh265_init(struct hevc_state_s *hevc)
hevc->stat |= STAT_TIMER_ARM;
if (use_cma) {
#ifdef USE_UNINIT_SEMA
sema_init(&hevc->h265_uninit_done_sema, 0);
#endif
if (h265_task == NULL) {
sema_init(&h265_sema, 1);
#ifdef USE_UNINIT_SEMA
sema_init(
&hevc->h265_uninit_done_sema, 0);
#endif
h265_task =
kthread_run(h265_task_handle, hevc,
"kthread_h265");
@@ -9229,7 +9229,8 @@ static void vh265_work(struct work_struct *work)
hevc_print(hevc, 0, "uninit list\n");
hevc->uninit_list = 0;
#ifdef USE_UNINIT_SEMA
up(&hevc->h265_uninit_done_sema);
if (use_cma)
up(&hevc->h265_uninit_done_sema);
#endif
return;
}