[v2] remoteproc: improve robustness for rproc_attach fail cases

[PATCH v2 0/3] remoteproc: improve robustness for rproc_attach fail cases

Jingyi Wang posted 3 patches 5 days, 19 hours ago

Diff against v1
Download series mbox

drivers/remoteproc/remoteproc_core.c | 25 ++++++++++++++++---------
include/linux/remoteproc.h           |  4 ++++
2 files changed, 20 insertions(+), 9 deletions(-)

Expand all Fold all

[PATCH v2 0/3] remoteproc: improve robustness for rproc_attach fail cases

Posted by Jingyi Wang 5 days, 19 hours ago

Failure in rproc_attach() path can cause issues like NULL pointer
dereference when doing recovery and rproc_add() fail, improve the
robustness for rproc_attach fail cases.

Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
---
Changes in v2:
- commit msg update
- Introduce subdevs_started flag instead of check nullptr
- Add change to cancel crash_handler work
- Link to v1: https://lore.kernel.org/r/20260409-rproc-attach-issue-v1-0-088a1c348e7a@oss.qualcomm.com

---
Jingyi Wang (3):
      remoteproc: core: Attach rproc asynchronously in rproc_add() path via schedule_work()
      remoteproc: core: Check subdev start status in rproc_stop()
      remoteproc: core: cancel crash_handler work in rproc_add() error path

 drivers/remoteproc/remoteproc_core.c | 25 ++++++++++++++++---------
 include/linux/remoteproc.h           |  4 ++++
 2 files changed, 20 insertions(+), 9 deletions(-)
---
base-commit: e98d21c170b01ddef366f023bbfcf6b31509fa83
change-id: 20260518-rproc-attach-issue-5d26d820ab80

Best regards,
-- 
Jingyi Wang <jingyi.wang@oss.qualcomm.com>