Buffers owned by a context that has been interrupted either by a
signal or a timeout might still be being accessed by the DSP.
delegate returning the associated memory to a later time when the
device is released.
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-or...@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>
---
drivers/misc/fastrpc.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index d2b639dfc461..40b48db032b5 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -952,12 +952,13 @@ static int fastrpc_internal_invoke(struct fastrpc_user
*fl, u32 kernel,
}
bail:
- /* We are done with this compute context, remove it from pending list */
- spin_lock(&fl->lock);
- list_del(&ctx->node);
- spin_unlock(&fl->lock);
- fastrpc_context_put(ctx);
-
+ if (err != -ERESTARTSYS && err != -ETIMEDOUT) {
+ /* We are done with this compute context */
+ spin_lock(&fl->lock);
+ list_del(&ctx->node);
+ spin_unlock(&fl->lock);
+ fastrpc_context_put(ctx);
+ }
if (err)
dev_dbg(fl->sctx->dev, "Error: Invoke Failed %d\n", err);
--
2.23.0
