| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20241025105104.723764-4-senozhatsky@chromium.org>
Date: Fri, 25 Oct 2024 19:50:39 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
Vikash Garodia <quic_vgarodia@...cinc.com>
Cc: Dikshita Agarwal <quic_dikshita@...cinc.com>,
Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org,
Sergey Senozhatsky <senozhatsky@...omium.org>
Subject: [PATCHv4 3/3] media: venus: factor out inst destruction routine
Factor out common instance destruction code into
a common function.
Suggested-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>
---
drivers/media/platform/qcom/venus/core.c | 25 +++++++++++++++++++
drivers/media/platform/qcom/venus/core.h | 2 ++
drivers/media/platform/qcom/venus/vdec.c | 24 ++----------------
drivers/media/platform/qcom/venus/vdec.h | 1 -
.../media/platform/qcom/venus/vdec_ctrls.c | 6 -----
drivers/media/platform/qcom/venus/venc.c | 22 +---------------
6 files changed, 30 insertions(+), 50 deletions(-)
diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index 423deb5e94dc..ee6c2051a0c4 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -19,6 +19,7 @@
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <media/videobuf2-v4l2.h>
+#include <media/v4l2-ctrls.h>
#include <media/v4l2-mem2mem.h>
#include <media/v4l2-ioctl.h>
@@ -502,6 +503,30 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev)
return ret;
}
+void venus_close_common(struct venus_inst *inst)
+{
+ /*
+ * First, remove the inst from the ->instances list, so that
+ * to_instance() will return NULL.
+ */
+ hfi_session_destroy(inst);
+ /*
+ * Second, make sure we don't have IRQ/IRQ-thread currently running
+ * or pending execution, which would race with the inst destruction.
+ */
+ synchronize_irq(inst->core->irq);
+
+ v4l2_m2m_ctx_release(inst->m2m_ctx);
+ v4l2_m2m_release(inst->m2m_dev);
+ v4l2_fh_del(&inst->fh);
+ v4l2_fh_exit(&inst->fh);
+ v4l2_ctrl_handler_free(&inst->ctrl_handler);
+
+ mutex_destroy(&inst->lock);
+ mutex_destroy(&inst->ctx_q_lock);
+}
+EXPORT_SYMBOL_GPL(venus_close_common);
+
static __maybe_unused int venus_runtime_resume(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index 435325432922..7bb36a270e15 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -560,4 +560,6 @@ is_fw_rev_or_older(struct venus_core *core, u32 vmajor, u32 vminor, u32 vrev)
(core)->venus_ver.minor == vminor &&
(core)->venus_ver.rev <= vrev);
}
+
+void venus_close_common(struct venus_inst *inst);
#endif
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index b3192a36f388..cba95dc492f1 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -1737,7 +1737,7 @@ static int vdec_open(struct file *file)
err_session_destroy:
hfi_session_destroy(inst);
err_ctrl_deinit:
- vdec_ctrl_deinit(inst);
+ v4l2_ctrl_handler_free(&inst->ctrl_handler);
err_free:
kfree(inst);
return ret;
@@ -1748,29 +1748,9 @@ static int vdec_close(struct file *file)
struct venus_inst *inst = to_inst(file);
vdec_pm_get(inst);
-
cancel_work_sync(&inst->delayed_process_work);
- /*
- * First, remove the inst from the ->instances list, so that
- * to_instance() will return NULL.
- */
- hfi_session_destroy(inst);
- /*
- * Second, make sure we don't have IRQ/IRQ-thread currently running
- * or pending execution, which would race with the inst destruction.
- */
- synchronize_irq(inst->core->irq);
-
- v4l2_m2m_ctx_release(inst->m2m_ctx);
- v4l2_m2m_release(inst->m2m_dev);
+ venus_close_common(inst);
ida_destroy(&inst->dpb_ids);
- v4l2_fh_del(&inst->fh);
- v4l2_fh_exit(&inst->fh);
- vdec_ctrl_deinit(inst);
-
- mutex_destroy(&inst->lock);
- mutex_destroy(&inst->ctx_q_lock);
-
vdec_pm_put(inst, false);
kfree(inst);
diff --git a/drivers/media/platform/qcom/venus/vdec.h b/drivers/media/platform/qcom/venus/vdec.h
index 6b262d0bf561..0cf981108ff0 100644
--- a/drivers/media/platform/qcom/venus/vdec.h
+++ b/drivers/media/platform/qcom/venus/vdec.h
@@ -9,6 +9,5 @@
struct venus_inst;
int vdec_ctrl_init(struct venus_inst *inst);
-void vdec_ctrl_deinit(struct venus_inst *inst);
#endif
diff --git a/drivers/media/platform/qcom/venus/vdec_ctrls.c b/drivers/media/platform/qcom/venus/vdec_ctrls.c
index 7e0f29bf7fae..fa034a7fdbed 100644
--- a/drivers/media/platform/qcom/venus/vdec_ctrls.c
+++ b/drivers/media/platform/qcom/venus/vdec_ctrls.c
@@ -4,7 +4,6 @@
* Copyright (C) 2017 Linaro Ltd.
*/
#include <linux/types.h>
-#include <media/v4l2-ctrls.h>
#include "core.h"
#include "helpers.h"
@@ -187,8 +186,3 @@ int vdec_ctrl_init(struct venus_inst *inst)
return 0;
}
-
-void vdec_ctrl_deinit(struct venus_inst *inst)
-{
- v4l2_ctrl_handler_free(&inst->ctrl_handler);
-}
diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 36981ce448f5..2ae22ba156bb 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -1516,28 +1516,8 @@ static int venc_close(struct file *file)
struct venus_inst *inst = to_inst(file);
venc_pm_get(inst);
-
- /*
- * First, remove the inst from the ->instances list, so that
- * to_instance() will return NULL.
- */
- hfi_session_destroy(inst);
- /*
- * Second, make sure we don't have IRQ/IRQ-thread currently running
- * or pending execution, which would race with the inst destruction.
- */
- synchronize_irq(inst->core->irq);
-
- v4l2_m2m_ctx_release(inst->m2m_ctx);
- v4l2_m2m_release(inst->m2m_dev);
- v4l2_fh_del(&inst->fh);
- v4l2_fh_exit(&inst->fh);
- venc_ctrl_deinit(inst);
-
+ venus_close_common(inst);
inst->enc_state = VENUS_ENC_STATE_DEINIT;
- mutex_destroy(&inst->lock);
- mutex_destroy(&inst->ctx_q_lock);
-
venc_pm_put(inst, false);
kfree(inst);
--
2.47.0.163.g1226f6d8fa-goog
Powered by blists - more mailing lists